OpenAI: GPT-5.6 Sol
Analysis Summary
OpenAI's GPT-5.6 Sol is a premium multimodal model with advanced reasoning and coding capability. Its one-million-token context window, vision, file input, tool use, and function calling make it suitable for large codebases, complex documents, and workflows that require the model to reason and act through tools.
The model is a strong fit for autonomous coding support, high-stakes analysis, technical SEO, and customer-facing content where mistakes carry meaningful cost. Its agentic capability is useful for multi-step workflows, though teams should still validate tool results and maintain approval controls for consequential actions. Multimodal input also reduces the need to split document and visual tasks across models.
Premium pricing limits its role in bulk generation. Use Sol as a lead model for demanding client work, paired with Terra or Luna for lower-risk, high-volume operations.
Assessed August 9, 2026
Editorial notes
GPT-5.6 Sol delivers advanced reasoning and coding, a one-million-token context, vision, file input, and strong tool integration. Its premium price suits high-stakes engineering and analysis, while cheaper Terra or Luna tiers are better for routine volume.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
GPT-5.6 Sol delivers advanced reasoning and coding, a one-million-token context, vision, file input, and strong tool integration. Its premium price suits high-stakes engineering and analysis, while cheaper Terra or Luna tiers are better for routine volume.
How OpenAI: GPT-5.6 Sol compares
OpenAI: GPT-5.6 Sol ranks #4 of 420 AI models we track for overall intelligence, #2 of 193 for coding, #8 of 175 for agentic tasks. Its 1.1M-token context window is larger than 98% of the models we list. At $5.00 per million input tokens it is cheaper than 8% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on content. The pulled-in value corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $5.00 | $0.005000 |
| Output | $30.00 | $0.030000 |
What would OpenAI: GPT-5.6 Sol cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 688 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save OpenAI: GPT-5.6 Sol for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout 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..
Embed this ranking
Frequently asked questions about OpenAI: GPT-5.6 Sol
How much does OpenAI: GPT-5.6 Sol cost?
OpenAI: GPT-5.6 Sol costs $5.00 per million input tokens and $30.00 per million output tokens.
What is the context window of OpenAI: GPT-5.6 Sol?
OpenAI: GPT-5.6 Sol has a context window of 1,050,000 tokens (1.1M).
Is OpenAI: GPT-5.6 Sol good for coding?
On our coding benchmark index, OpenAI: GPT-5.6 Sol ranks #2 of 193 models, placing it in the top quartile of the field for code generation and debugging.
What can OpenAI: GPT-5.6 Sol do?
OpenAI: GPT-5.6 Sol supports image/vision input, tool use, and function calling.
Who created OpenAI: GPT-5.6 Sol?
OpenAI: GPT-5.6 Sol is developed by OpenAI and was released on July 9, 2026.
