--- title: OpenAI: GPT 5.6 Sol API | Text Generation | ModelsLab description: Build with OpenAI: GPT 5.6 Sol API by Openai. Text generation, chat, code, and reasoning. Pay-per-use. Free tier. url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/openai-gpt-5.6-sol.md canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/openai-gpt-5.6-sol.md type: product component: Playground/LLM/Index generated_at: 2026-07-11T20:56:41.296584Z --- OpenAI: GPT-5.6 Sol --- [LLMs.txt](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-5.6-sol/llms.txt) [.md](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/openai-gpt-5.6-sol.md) OpenAI: GPT-5.6 Sol --- Choose a prompt below to get started or type your own message Explain quantum computing in simple terms Write a Python function to sort a list Create a marketing email for a SaaS product Compare REST vs GraphQL APIs Send ### OpenAI: GPT-5.6 Sol openai openai-gpt-5.6-sol Copy model ID PricingInput $5.00 / 1M tokens Output $30.00 / 1M tokens API EndpointsOpenAI Compatible `https://modelslab.com/api/v7/llm/chat/completions`Endpoint Anthropic Compatible `https://modelslab.com/api/v7/llm/v1/messages`Messages `https://modelslab.com/api/v7/llm/v1/messages/count_tokens`Count Tokens `https://modelslab.com/api/v7/llm/v1/models`Models Use with Claude Code cURL Example ParametersSystem MessageYou are a helpful AI assistant specialized in providing accurate and detailed responses. Temperature0.7 Max Tokens1000 Top P0.9 Frequency Penalty0 Presence Penalty0 Model Info Support Related Models --- Discover similar models you might be interested in [View all LLM Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llmaster) [#### open\_router/Cohere: Command R+ (08-2024) cohere-command-r-plus-08-2024 From $6.25/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/cohere-command-r-plus-08-2024) [#### open\_router/Nex AGI: Nex-N2-Pro nex-agi-nex-n2-pro From $0.63/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/nex-agi-nex-n2-pro) [#### open\_router/Deep Cogito: Cogito v2.1 671B deepcogito-cogito-v2.1-671b From $1.25/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/deepcogito-cogito-v2.1-671b) [#### open\_router/Qwen: Qwen3 30B A3B qwen-qwen3-30b-a3b From $0.31/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/qwen-qwen3-30b-a3b) [#### open\_router/Mistral: Mistral Medium 3.5 mistralai-mistral-medium-3-5 From $4.50/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/mistralai-mistral-medium-3-5) [#### open\_router/MiniMax: MiniMax M2.5 minimax-minimax-m2.5 From $0.53/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/minimax-minimax-m2.5) [#### open\_router/ByteDance Seed: Seed 1.6 Flash bytedance-seed-seed-1.6-flash From $0.19/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/bytedance-seed-seed-1.6-flash) [#### open\_router/Mistral: Mistral Medium 3.1 mistralai-mistral-medium-3.1 From $1.20/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/mistralai-mistral-medium-3.1) [#### open\_router/OpenAI: gpt-oss-safeguard-20b openai-gpt-oss-safeguard-20b From $0.19/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-oss-safeguard-20b) [#### open\_router/MoonshotAI: Kimi K2 0905 moonshotai-kimi-k2-0905 From $1.55/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/moonshotai-kimi-k2-0905) [#### open\_router/Qwen: Qwen3.6 35B A3B qwen-qwen3.6-35b-a3b From $0.57/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/qwen-qwen3.6-35b-a3b) [#### open\_router/Meta: Llama 3.1 70B Instruct meta-llama-llama-3.1-70b-instruct From $0.40/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/meta-llama-llama-3.1-70b-instruct) [#### meta/Meta Llama 3.2 11B Vision Instruct Turbo meta-llama-Llama-3.2-11B-Vision-Instruct-Turbo From $0.05/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/meta/meta-llama-Llama-3.2-11B-Vision-Instruct-Turbo) [#### openai/GPT 5.1 gpt5.1 From $5.63/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/gpt5.1) [#### open\_router/Mistral: Mistral Large 3 2512 mistralai-mistral-large-2512 From $1.00/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/mistralai-mistral-large-2512) [#### open\_router/Meta: Llama 4 Maverick meta-llama-llama-4-maverick From $0.38/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/meta-llama-llama-4-maverick) [#### open\_router/AionLabs: Aion-RP 1.0 (8B) aion-labs-aion-rp-llama-3.1-8b From $1.20/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/aion-labs-aion-rp-llama-3.1-8b) [#### open\_router/StepFun: Step 3.7 Flash stepfun-step-3.7-flash From $0.68/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/stepfun-step-3.7-flash) Open Source Alternatives --- Explore open-source models that offer similar capabilities with full transparency and flexibility [View all open source models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llm&provider=open-source-models) [MU Popular](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/uncensored-chat)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Modelslab: Uncensored Chat Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/uncensored-chat) About OpenAI: GPT-5.6 Sol --- GPT-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... ### Technical Specifications Model IDopenai-gpt-5.6-sol CategoryLLM Models TaskText Generation Price$17.5 per million tokens AddedJuly 9, 2026 ### Key Features - Chat completion and multi-turn conversation API - Streaming response with token-by-token output - Function calling and tool use support - System prompts and role-based messaging - JSON mode and structured output ### Quick Start Integrate OpenAI: GPT-5.6 Sol into your application with a single API call. Get your API key from the [pricing page](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) to get started. PythonJavaScriptcURLPHP ``` import requests import json url = "https://modelslab.com/api/v7/llm/chat/completions" headers = { "Content-Type": "application/json" } data = { "model_id": "openai-gpt-5.6-sol", "messages": [ { "role": "user", "content": "Hello!" } ], "max_tokens": 1000, "key": "YOUR_API_KEY" } try: response = requests.post(url, headers=headers, json=data) response.raise_for_status() # Raises an HTTPError for bad responses (4XX or 5XX) result = response.json() print("API Response:") print(json.dumps(result, indent=2)) except requests.exceptions.HTTPError as http_err: print(f"HTTP error occurred: {http_err} - {response.text}") except Exception as err: print(f"Other error occurred: {err}") ``` ### Pricing OpenAI: GPT-5.6 Sol API costs $17.500000 per million tokens. Pay only for what you use with no minimum commitments. [View pricing plans](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) ### Use Cases - AI chatbots and virtual assistants - Code generation and developer tools - Content writing and copywriting automation - Data analysis, summarization, and extraction [Browse LLM Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llmaster) [More from Openai](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [View Pricing](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) OpenAI: GPT-5.6 Sol FAQ --- ### What is OpenAI: GPT-5.6 Sol? GPT-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... ### How do I use the OpenAI: GPT-5.6 Sol API? You can integrate OpenAI: GPT-5.6 Sol into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "openai-gpt-5.6-sol" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does OpenAI: GPT-5.6 Sol cost? OpenAI: GPT-5.6 Sol costs $17.500000 per million tokens. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started. ### What is the OpenAI: GPT-5.6 Sol model ID? The model ID for OpenAI: GPT-5.6 Sol is "openai-gpt-5.6-sol". Use this ID in your API requests to specify this model. ### Does OpenAI: GPT-5.6 Sol have a free tier? Yes, ModelsLab offers a free tier that lets you try OpenAI: GPT-5.6 Sol and other AI models. Sign up to get free API credits and start building immediately. --- *This markdown version is optimized for AI agents and LLMs.* **Links:** - [Website](https://modelslab.com) - [API Documentation](https://docs.modelslab.com) - [Blog](https://modelslab.com/blog) --- *Generated by ModelsLab - 2026-07-12*