GPT-5.6 Sol
OpenAI · 6 thinking configurations
Intelligence42.3
Input / 1M$4.00
Output / 1M$20.00
Context1M
Tariff: OpenAI · Source: artificial-analysis · USD per million tokens
Thinking configuration
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Compare this model’s measured thinking configurations.
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Efficient frontier: best measured score at each cost5 measured configurations · 1 without both values
Selected: thinking high · Click a point to switch configuration
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...
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
42.3 pointsDeepSWE · pass@1Software-engineering tasks on mini-swe-agent v1.1. Pass@1 across evaluated runs, with measured cost per task. The 95% intervals may overlap.
69.4 % ±1.4GPQA DiamondGraduate-level scientific questions. Measures specialist reasoning rather than web-search quality.
92.8 %Humanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
46.0 %SciCodeCode generation for scientific research problems.
57.8 %Terminal-Bench 2.1Agent tasks in a terminal environment. Results also depend on the evaluation harness.
87.3 %τ²-BenchTool use and interaction in assistance scenarios. Does not replace an evaluation of your integration.
83.3 %IFBenchVerifiable instruction following. A proxy for precision rather than a benchmark of creative style.
69.2 %MMMU-ProMultimodal understanding of academic problems that include images.
81.8 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
58.4 %Specifications from the catalog
Inputfile, image, text
Outputtext
Tool callingYes
Structured outputYes
Speed75.3 tok/s
First token11.65 s
Maximum output128K
Catalog listing date2026-07-09
DeepSWE v1.1 · 113 tasks · mini-swe-agent · cost $3.47 / task · 37 mean steps · 28.5K mean output tokens. Published by the source 9/22/2026.