GPT-5.6 Sol
OpenAI · 6 thinking configurations
Intelligence44.0
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 xhigh · 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.
44.0 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.
70.7 % ±0.8GPQA DiamondGraduate-level scientific questions. Measures specialist reasoning rather than web-search quality.
93.1 %Humanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
47.3 %SciCodeCode generation for scientific research problems.
57.1 %Terminal-Bench 2.1Agent tasks in a terminal environment. Results also depend on the evaluation harness.
89.5 %τ²-BenchTool use and interaction in assistance scenarios. Does not replace an evaluation of your integration.
84.8 %IFBenchVerifiable instruction following. A proxy for precision rather than a benchmark of creative style.
71.0 %MMMU-ProMultimodal understanding of academic problems that include images.
82.7 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
58.8 %Specifications from the catalog
Inputfile, image, text
Outputtext
Tool callingYes
Structured outputYes
Speed77.1 tok/s
First token41.79 s
Maximum output128K
Catalog listing date2026-07-09
DeepSWE v1.1 · 113 tasks · mini-swe-agent · cost $4.70 / task · 44 mean steps · 40.7K mean output tokens. Published by the source 9/22/2026.