# OpenAI Models via Hanzo AI — 81 models > Access 81 OpenAI models via Hanzo's OpenAI-compatible API. Single API key, unified billing, and global low-latency routing. [Models](https://hanzo.ai/models)/OpenAI # OpenAI Models via Hanzo AI 81 models available Access all 81 OpenAI models through Hanzo's OpenAI-compatible API. One key, one bill, no rate limit juggling. [Get API Access](https://hanzo.ai/signup)[API Docs](https://docs.hanzo.ai) Instant Guest API Keyguest_temp_key No account or sign up required Test right now from your terminal. No credentials needed: cURL · instant guest request Copy ``` curl https://api.hanzo.ai/v1/chat/completions \ -H "Authorization: Bearer guest_temp_key" \ -d '{"model": "zen-free", "messages": [{"role": "user", "content": "hello"}]}' ``` [GPT-3.5 Turbo (older v0613)4KGPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.text](https://hanzo.ai/models/openai/gpt-3.5-turbo-0613) [GPT-3.5 Turbo 16k16KThis model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up...text](https://hanzo.ai/models/openai/gpt-3.5-turbo-16k) [GPT-48KOpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous models due to its broader general knowledge and advanced reasoning...text](https://hanzo.ai/models/openai/gpt-4) [GPT-4.11MGPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...text](https://hanzo.ai/models/openai/gpt-4.1) [GPT-4.1 Mini1MGPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost. It retains a 1 million token context window and scores 45.1% on hard...text](https://hanzo.ai/models/openai/gpt-4.1-mini) [GPT-4.1 Nano1MFor tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...text](https://hanzo.ai/models/openai/gpt-4.1-nano) [GPT-4o128KGPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...text](https://hanzo.ai/models/openai/gpt-4o) [GPT-4o (2024-05-13)128KGPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...text](https://hanzo.ai/models/openai/gpt-4o-2024-05-13) [GPT-4o (2024-08-06)128KThe 2024-08-06 version of GPT-4o offers improved performance in structured outputs, with the ability to supply a JSON schema in the respone_format. Read more [here](https://openai.com/index/introducing-structured-outputs-in-the-api/). GPT-4o ("o" for "omni") is...text](https://hanzo.ai/models/openai/gpt-4o-2024-08-06) [GPT-4o (2024-11-20)128KThe 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability. It’s also better at working with uploaded...text](https://hanzo.ai/models/openai/gpt-4o-2024-11-20) [GPT-4o-mini128KGPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable...text](https://hanzo.ai/models/openai/gpt-4o-mini) [GPT-4o-mini (2024-07-18)128KGPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable...text](https://hanzo.ai/models/openai/gpt-4o-mini-2024-07-18) [GPT-5400KGPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...text](https://hanzo.ai/models/openai/gpt-5) [GPT-5 Image400K[GPT-5](https://openrouter.ai/openai/gpt-5) Image combines OpenAI's GPT-5 model with state-of-the-art image generation capabilities. It offers major improvements in reasoning, code quality, and user experience while incorporating GPT Image 1's superior instruction following,...imagetext](https://hanzo.ai/models/openai/gpt-5-image) [GPT-5 Image Mini400KGPT-5 Image Mini combines OpenAI's advanced language capabilities, powered by [GPT-5 Mini](https://openrouter.ai/openai/gpt-5-mini), with GPT Image 1 Mini for efficient image generation. This natively multimodal model features superior instruction following, text...imagetext](https://hanzo.ai/models/openai/gpt-5-image-mini) [GPT-5 Mini400KGPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost....text](https://hanzo.ai/models/openai/gpt-5-mini) [GPT-5 Nano400KGPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...text](https://hanzo.ai/models/openai/gpt-5-nano) [GPT-5 Nano (batch)400KGPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...text](https://hanzo.ai/models/openai/gpt-5-nano:batch) [GPT-5 Pro400KGPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and...text](https://hanzo.ai/models/openai/gpt-5-pro) [GPT-5.1400KGPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...text](https://hanzo.ai/models/openai/gpt-5.1) [GPT-5.1-Codex400KGPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....text](https://hanzo.ai/models/openai/gpt-5.1-codex) [GPT-5.1-Codex-Max400KGPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...text](https://hanzo.ai/models/openai/gpt-5.1-codex-max) [GPT-5.1-Codex-Mini400KGPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codextext](https://hanzo.ai/models/openai/gpt-5.1-codex-mini) [GPT-5.2400KGPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1. It uses adaptive reasoning to allocate computation dynamically, responding quickly...text](https://hanzo.ai/models/openai/gpt-5.2) [GPT-5.2-Codex400KGPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....text](https://hanzo.ai/models/openai/gpt-5.2-codex) [GPT-5.2 Pro400KGPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,...text](https://hanzo.ai/models/openai/gpt-5.2-pro) [GPT-5.3-Codex400KGPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...text](https://hanzo.ai/models/openai/gpt-5.3-codex) [GPT-5.41MGPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...text](https://hanzo.ai/models/openai/gpt-5.4) [GPT-5.4 Image 2272K[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities from GPT Image 2. It enables rich multimodal workflows, allowing users to seamlessly move between reasoning, coding, and...imagetext](https://hanzo.ai/models/openai/gpt-5.4-image-2) [GPT-5.4 Mini400KGPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,...text](https://hanzo.ai/models/openai/gpt-5.4-mini) [GPT-5.4 Nano400KGPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...text](https://hanzo.ai/models/openai/gpt-5.4-nano) [GPT-5.4 Pro1MGPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...text](https://hanzo.ai/models/openai/gpt-5.4-pro) [GPT-5.51MGPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...text](https://hanzo.ai/models/openai/gpt-5.5) [GPT-5.5 Pro1MGPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...text](https://hanzo.ai/models/openai/gpt-5.5-pro) [GPT-5.6 Luna1MGPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...text](https://hanzo.ai/models/openai/gpt-5.6-luna) [GPT-5.6 Luna Pro1MGPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-5.6-luna-pro) [GPT-5.6 Luna Pro (batch)1MGPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-5.6-luna-pro:batch) [GPT-5.6 Luna (batch)1MGPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...text](https://hanzo.ai/models/openai/gpt-5.6-luna:batch) [GPT-5.6 Sol1MGPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...text](https://hanzo.ai/models/openai/gpt-5.6-sol) [GPT-5.6 Sol Pro1MGPT-5.6 Sol Pro is the same underlying model as [GPT-5.6 Sol](https://openrouter.ai/openai/gpt-5.6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-5.6-sol-pro) [GPT-5.6 Sol Pro (batch)1MGPT-5.6 Sol Pro is the same underlying model as [GPT-5.6 Sol](https://openrouter.ai/openai/gpt-5.6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-5.6-sol-pro:batch) [GPT-5.6 Sol (batch)1MGPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...text](https://hanzo.ai/models/openai/gpt-5.6-sol:batch) [GPT-5.6 Terra1MGPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...text](https://hanzo.ai/models/openai/gpt-5.6-terra) [GPT-5.6 Terra Pro1MGPT-5.6 Terra Pro is the same underlying model as [GPT-5.6 Terra](https://openrouter.ai/openai/gpt-5.6-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-5.6-terra-pro) [GPT-5.6 Terra Pro (batch)1MGPT-5.6 Terra Pro is the same underlying model as [GPT-5.6 Terra](https://openrouter.ai/openai/gpt-5.6-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-5.6-terra-pro:batch) [GPT-5.6 Terra (batch)1MGPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...text](https://hanzo.ai/models/openai/gpt-5.6-terra:batch) [GPT-6 Astra1MGPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...text](https://hanzo.ai/models/openai/gpt-6-astra) [GPT-6 Astra Pro1MGPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6-astra-pro) [GPT-6 Astra Pro (batch)1MGPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6-astra-pro:batch) [GPT-6 Astra (batch)1MGPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...text](https://hanzo.ai/models/openai/gpt-6-astra:batch) [GPT-6 Luna1MGPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic...text](https://hanzo.ai/models/openai/gpt-6-luna) [GPT-6 Luna Pro1MGPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6-luna-pro) [GPT-6 Luna Pro (batch)1MGPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6-luna-pro:batch) [GPT-6 Luna (batch)1MGPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic...text](https://hanzo.ai/models/openai/gpt-6-luna:batch) [GPT-6 Sol1MGPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional...text](https://hanzo.ai/models/openai/gpt-6-sol) [GPT-6 Sol Pro1MGPT-6 Sol Pro is the same underlying model as [GPT-6 Sol](https://openrouter.ai/openai/gpt-6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6-sol-pro) [GPT-6 Sol Pro (batch)1MGPT-6 Sol Pro is the same underlying model as [GPT-6 Sol](https://openrouter.ai/openai/gpt-6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6-sol-pro:batch) [GPT-6 Sol (batch)1MGPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional...text](https://hanzo.ai/models/openai/gpt-6-sol:batch) [GPT-6.1 Sol1MGPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional...text](https://hanzo.ai/models/openai/gpt-6.1-sol) [GPT-6.1 Sol Pro1MGPT-6.1 Sol Pro is the same underlying model as [GPT-6.1 Sol](https://openrouter.ai/openai/gpt-6.1-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6.1-sol-pro) [GPT-6.1 Sol Pro (batch)1MGPT-6.1 Sol Pro is the same underlying model as [GPT-6.1 Sol](https://openrouter.ai/openai/gpt-6.1-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6.1-sol-pro:batch) [GPT-6.1 Sol (batch)1MGPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional...text](https://hanzo.ai/models/openai/gpt-6.1-sol:batch) [GPT-6.1 Terra1MGPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...text](https://hanzo.ai/models/openai/gpt-6.1-terra) [GPT-6.1 Terra Pro1MGPT-6.1 Terra Pro is the same underlying model as [GPT-6.1 Terra](https://openrouter.ai/openai/gpt-6.1-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6.1-terra-pro) [GPT-6.1 Terra Pro (batch)1MGPT-6.1 Terra Pro is the same underlying model as [GPT-6.1 Terra](https://openrouter.ai/openai/gpt-6.1-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...text](https://hanzo.ai/models/openai/gpt-6.1-terra-pro:batch) [GPT-6.1 Terra (batch)1MGPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...text](https://hanzo.ai/models/openai/gpt-6.1-terra:batch) [GPT Audio128KThe gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Audio is priced...textaudio](https://hanzo.ai/models/openai/gpt-audio) [GPT Audio Mini128KA cost-efficient version of GPT Audio. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Input is priced at $0.60 per million...textaudio](https://hanzo.ai/models/openai/gpt-audio-mini) [GPT Chat Latest400KGPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...text](https://hanzo.ai/models/openai/gpt-chat-latest) [gpt-oss-120b131Kgpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...text](https://hanzo.ai/models/openai/gpt-oss-120b) [gpt-oss-120b (batch)131Kgpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...text](https://hanzo.ai/models/openai/gpt-oss-120b:batch) [gpt-oss-20b131Kgpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...text](https://hanzo.ai/models/openai/gpt-oss-20b) [gpt-oss-20b (batch)131Kgpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...text](https://hanzo.ai/models/openai/gpt-oss-20b:batch) [gpt-oss-safeguard-20b131Kgpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b. This open-weight, 21B-parameter Mixture-of-Experts (MoE) model offers lower latency for safety tasks like content classification, LLM filtering, and trust...text](https://hanzo.ai/models/openai/gpt-oss-safeguard-20b) [o3200Ko3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....text](https://hanzo.ai/models/openai/o3) [o3 Pro200KThe o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...text](https://hanzo.ai/models/openai/o3-pro) [GPT Astra Latest1MThis model always redirects to the latest model in the GPT Astra family.text](https://hanzo.ai/models/openai/gpt-astra-latest) [GPT Luna Latest1MThis model always redirects to the latest model in the GPT Luna family.text](https://hanzo.ai/models/openai/gpt-luna-latest) [GPT Mini Latest400KThis model always redirects to the latest model in the GPT Mini family.text](https://hanzo.ai/models/openai/gpt-mini-latest) [GPT Sol Latest1MThis model always redirects to the latest model in the GPT Sol family.text](https://hanzo.ai/models/openai/gpt-sol-latest) [GPT Terra Latest1MThis model always redirects to the latest model in the GPT Terra family.text](https://hanzo.ai/models/openai/gpt-terra-latest) ## Use OpenAI models via Hanzo One key. One bill. Works with every SDK you already have. 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