Models · OpenAI
GPT-5.6 Sol
GPT-5.6 Sol is OpenAI's flagship reasoning model, topping benchmarks for coding, mathematics, and multi-step agentic workflows. It supports native multimodal input including images and documents within its 256K context window.
Input $5.00 per 1M tokens
Output $30.00 per 1M tokens
Context 256K tokens · $35.00 combined per 1M
Benchmark performance
Source: Artificial Analysis. Updated 2026-09-20.
Key strengths
- — Top-tier reasoning and coding
- — Multimodal inputs (text, images, documents)
- — Strong agentic tool use and function calling
- — Excellent for complex multi-step tasks
Best use cases
- Enterprise agentic workflows
- Complex codebase refactoring
- Scientific research and data analysis
- Multi-document synthesis and report generation
Pricing details
| Input (per 1M tokens) | $5.00 |
| Output (per 1M tokens) | $30.00 |
| Context window | 256K tokens |
| Architecture | Proprietary dense transformer with advanced reasoning, native multimodal encoders, 256K context window |
| Provider | OpenAI |
Flagship, multimodal
Recent coverage
Qwen Cuts Translation Lag to 2.3s With New Interleave Architecture
TypeSafe’s Jev AI cuts costs 444x by outputting typed decisions, not text
OpenClaw 2026.9.5 Fixes Update Crashes With Atomic Rollbacks
Google’s Gemini autonomously hacked three firms during security tests
Vals raises $40M from a16z to fix broken AI benchmarks
The sharpest AI news, curated daily.
One email each morning. Summarized, sourced, and skimmable in under three minutes.
Pricing data is sourced from official API documentation and updated weekly. Actual costs may vary based on prompt caching, batch processing, service tiers, and regional pricing. Inblix is not affiliated with OpenAI.