OpenAI Proprietary Released Jul 9, 2026 Updated
GPT-5.6 Sol
ToolsGuide Scores, rankings, test results and price.
Model summary
- Text #2 / 416
728 / 1,000
ToolsGuide Score· votes 546, tests 846
- Vision #44 / 167
482 / 1,000
ToolsGuide Score· votes 552, tests 367
- Coding #15 / 147
505 / 1,000
ToolsGuide Score· votes 462, tests 535
- Agents #13 / 53
511 / 1,000
ToolsGuide Score· votes 516, tests 509
- Price per 1M tokens
In $5.00· Out $30.00
$5.00
Input · median text model $0.43
Summary
GPT-5.6 Sol is OpenAI's model, released Jul 9, 2026. It's ranked in 4 categories and does best at text: #2 of 416, with a ToolsGuide Score of 728 against a median of 235.
It also ranks #15 of 147 for coding (505), #13 of 53 for agents (511), #44 of 167 for vision (482).
It costs $5.00 per million input tokens and $30.00 per million output tokens, about 11× the median text model ($0.43).
It has published results on 45 tests and has the top score on 14 of them, including FrontierMath and Artificial Analysis.
Specifications
- Creator
OpenAI- Licence
- Proprietary
- Released
- Jul 9, 2026
- Context window
- 1.1M tokens
- Input price
- $5.00 / 1M
- Output price
- $30.00 / 1M
- Tests reported
- 45
- Settings ranked
- gpt-5.6-sol-xhigh, GPT-5.6 Sol (xHigh), GPT-5.6 Sol (xHigh, Codex Harness)
Model comparison
Against the ten best text models.
Text score
ToolsGuide Score out of 1,000 · Higher is better
Coding score
ToolsGuide Score out of 1,000 · Higher is better
Input price
USD per 1M input tokens · Lower is better
Leaderboards
Where GPT-5.6 Sol sits among the top 20 in each category.
Text
#2 of 416 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model
Vision
#44 of 167 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model
Coding
#15 of 147 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model
Agents
#13 of 53 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model
By task
Scored from votes on each kind of prompt alone, on the same 1,000-point scale.
Score against price
Text · the 10 priced models ranked closest · up and to the left is better value
Against its nearest rivals
Text prompts by kind · ToolsGuide Score from votes · hover for values
-
GPT-5.6 Sol -
Gemini 4 Argon (High)
-
Gemini 3.7 Flash (High)
Text
gpt-5.6-sol-xhigh · hover a bar for its rank
Vision
GPT-5.6 Sol (xHigh) · hover a bar for its rank
Coding
GPT-5.6 Sol (xHigh, Codex Harness) · hover a bar for its rank
Test results
Every test GPT-5.6 Sol has a published result on, out of 100%, with its rank among the models that took it.
GPQA
#2 / 256Graduate-level science questions written to be hard to look up.
94.6%
Self-reported
MMMU-Pro
#4 / 73College-level questions that need both an image and text to answer.
83.0%
Self-reported · In the vision score
BrowseComp
#4 / 68Finding hard-to-locate facts by browsing the web.
90.4%
Self-reported · In the agents score
SWE-Bench Pro
#10 / 61Harder, longer software engineering tasks from real codebases.
64.6%
Self-reported · In the coding score
DeepSWE 1.1
#15 / 50DeepSWE 1.1 evaluates software engineering agents using the mini-swe-agent harness.
73.0%
Self-reported · In the coding score
Terminal-Bench 2.1
#4 / 46Terminal-Bench 2.1 is an updated release of the Terminal-Bench benchmark that tests AI agents' ability to operate a computer via the terminal. It evaluates how well models handle real-world, end-to-end tasks autonomously, including compiling code, training models, setting up servers, system administration, data science workflows, and security tasks.
88.8%
Self-reported
Toolathlon
#12 / 42Tool Decathlon is a comprehensive benchmark for evaluating AI agents' ability to use multiple tools across diverse task categories. It measures proficiency in tool selection, sequencing, and execution across ten different tool-use scenarios.
58.0%
Self-reported · In the agents score
MRCR v2 (8-needle)
#4 / 32MRCR v2 (8-needle) is a variant of the Multi-Round Coreference Resolution benchmark that includes 8 needle items to retrieve from long contexts. This tests models' ability to simultaneously track and reason about multiple pieces of information across extended conversations.
91.5%
Self-reported · In the text score
Terminal-Bench 4.0
#16 / 28Terminal-Bench 4.0 evaluates AI agents on real-world work in terminal and command-line containerized environments across 66 tasks, with emphasis on science-adjacent and frontier engineering problems. Relative to earlier Terminal-Bench releases, 4.0 increases timeouts and adaptively raises RAM/CPU on selected tasks to reduce harness and resource confounds.
37.3%
Self-reported · In the coding score· In the agents score
Agents' Last Exam
#3 / 24Agents' Last Exam is a challenging benchmark for AI agents on hard, long-horizon tasks that test sustained reasoning, planning, and tool use, reported with and without tool access.
52.7%
Self-reported · In the agents score
AutomationBench
#20 / 24AutomationBench is a tool-use benchmark that evaluates AI agents on automating real-world workflows, testing their ability to orchestrate tools and complete multi-step automation tasks.
18.1%
Self-reported · In the agents score
HealthBench Hard
#3 / 24A challenging variation of HealthBench that evaluates large language models' performance and safety in healthcare through 5,000 multi-turn conversations with particularly rigorous evaluation criteria validated by 262 physicians from 60 countries
33.1%
Self-reported
FrontierCode 1.1
#8 / 23FrontierCode 1.1 evaluates whether coding-agent changes are mergeable, using unit tests, maintainer-defined rubrics, and verifiers. Runs flagged for unfair internet use receive a zero score.
47.5%
Self-reported · In the coding score
HealthBench Professional
#9 / 19HealthBench Professional evaluates model capability and safety for clinician use cases using real clinician-style chats and physician-authored grading rubrics.
60.5%
Self-reported
FrontierMath
#1 / 17A benchmark of hundreds of original, exceptionally challenging mathematics problems crafted and vetted by expert mathematicians, covering most major branches of modern mathematics from number theory and real analysis to algebraic geometry and category theory.
89.0%
Self-reported
OSWorld 2.0
#9 / 17OSWorld 2.0 is a benchmark of 108 long-horizon, real-world computer-use workflows spanning everyday and professional tasks. Each task is an end-to-end workflow that takes human users a median of about 1.6 hours, scored with a binary-completion metric, and targets challenges such as dynamic environments, cross-source reasoning, and implicit-state inference.
62.6%
Self-reported
GDP.pdf
#9 / 14GDP.pdf is a knowledge-work vision benchmark that evaluates models on economically valuable professional tasks presented as visual documents (PDFs), testing document-based reasoning, chart and table interpretation, and problem solving without tools.
30.7%
Self-reported
HealthBench
#8 / 14An open-source benchmark for measuring performance and safety of large language models in healthcare, consisting of 5,000 multi-turn conversations evaluated by 262 physicians using 48,562 unique rubric criteria across health contexts and behavioral dimensions
57.0%
Self-reported
Artificial Analysis
#1 / 13Artificial Analysis benchmark evaluates AI models across quality, speed, and pricing dimensions, providing a composite assessment of model capabilities for real-world usage.
59.0%
Self-reported
DeepSWE
#1 / 13DeepSWE is a software engineering agent benchmark evaluated with the mini-swe-agent harness, where each task is solved in an isolated container with no internet access. It measures an agent's ability to autonomously resolve real-world coding issues end to end.
72.7%
Self-reported
Graphwalks BFS >128k
#1 / 12A graph reasoning benchmark that evaluates language models' ability to perform breadth-first search (BFS) operations on graphs with context length over 128k tokens, testing long-context reasoning capabilities.
90.7%
Self-reported
ExploitBench
#3 / 8ExploitBench is a cybersecurity benchmark that evaluates a model's ability to discover and exploit software vulnerabilities, reported as the fraction of challenges where the model captures the target (Cap%).
73.5%
Self-reported
ExploitGym
#2 / 8ExploitGym is a large-scale, realistic benchmark built from real-world vulnerabilities across userspace programs, Google's V8 engine, and the Linux kernel. Given a vulnerability and a proof-of-vulnerability input, agents must craft a working end-to-end exploit that achieves unauthorized code execution.
33.7%
Self-reported
BenchCAD
#3 / 7BenchCAD is a benchmark for programmatic CAD reasoning built from 17,900 execution-verified CadQuery programs spanning 106 industrial part families, roughly half anchored to real ISO, DIN, EN, ASME, and IEC specification tables. It decomposes CAD capability into matched tasks; the Vision2Code task requires models to generate CadQuery code from multi-view renders, scored by voxel IoU against the reference geometry.
70.6%
Self-reported
BenchCAD (with Python tool)
#5 / 7BenchCAD variant evaluated with access to a Python tool for programmatic CAD reasoning.
83.4%
Self-reported
SEC-bench Pro
#2 / 7SEC-bench Pro is a self-evolving software-security benchmark that measures agent bug hunting on critical, high-complexity systems. It instantiates validated vulnerabilities across the V8 and SpiderMonkey JavaScript engines as reproducible vulnerability-discovery and proof-of-concept-generation tasks with oracle-based validation.
71.2%
Self-reported
ARC-AGI-3
#3 / 5ARC-AGI-3 is the third-generation Abstraction and Reasoning Corpus benchmark, an interactive-reasoning evaluation designed to measure fluid, novel problem-solving ability that remains far from saturated for frontier models.
7.8%
Self-reported
FrontierMath Tier 4 (v2)
#3 / 5FrontierMath Tier 4 subset from the v2 evaluation release.
83.0%
Self-reported
HealthBench Consensus
#2 / 5HealthBench Consensus is a HealthBench subset focused on questions where physician-created rubric criteria have especially high agreement, measuring healthcare performance and safety on consensus-evaluable conversations.
95.5%
Self-reported
LifeSciBench
#2 / 5LifeSciBench is an expert-authored, expert-reviewed benchmark of 750 open-ended life-science research tasks spanning seven workflows and seven biological domains. Responses are graded against 19,020 physician- and scientist-written rubric criteria rather than multiple-choice answers, and most tasks require interpreting attached artifacts such as figures, PDFs, and sequence files.
59.9%
Self-reported
GeneBench-Pro
#2 / 4GeneBench-Pro is a research-level benchmark of 129 multi-stage computational-biology problems spanning genomics, quantitative biology, and translational biomedicine. Each problem gives the agent a messy dataset, brief context, and a target estimand, and requires navigating dependent inferential decision points to reach a verifiable answer.
28.7%
Self-reported
MMMU-Pro (with tools)
#1 / 4MMMU-Pro variant evaluated with tool access enabled.
84.6%
Self-reported
MRCR v2 (8-needle, 512K-1M)
#2 / 4MRCR v2 8-needle variant evaluated on contexts from 512K to 1M tokens.
73.8%
Self-reported
MedChemBench (Internal)
#1 / 4MedChemBench is an internal OpenAI evaluation of medicinal-chemistry reasoning, testing whether models can support drug-discovery-relevant chemistry analysis and decision-making.
48.3%
Self-reported
Big Finance Bench
#1 / 3Big Finance Bench evaluates models on complex financial-analysis tasks that require retrieving and reasoning over financial documents and performing multi-step quantitative work.
53.0%
Self-reported
Capture-the-Flag Challenges (Internal)
#1 / 3Capture-the-Flag Challenges is OpenAI's internal expansion of competitive, professional-level cybersecurity capture-the-flag tasks used to evaluate vulnerability identification and exploitation capability under the Preparedness Framework.
96.7%
Self-reported
Connectors
#1 / 3Connectors is an OpenAI internal production benchmark measuring reliable use of connector-based tools in agentic workflows, reported as a pass rate.
100.0%
Self-reported
Graphwalks BFS 1M
#1 / 3GraphWalks BFS variant evaluated on 1M-token contexts.
77.1%
Self-reported
Internal Research Debugging Evaluation
#1 / 3The Internal Research Debugging Evaluation measures whether models can debug 41 real bugs from internal OpenAI research experiments (plus alignment-auditing tasks), where the original solutions took experienced researchers hours to days. Passing corresponds to providing assistance that would unblock the user, including partial root-cause explanations or fixes.
68.3%
Self-reported
KernelGen 1P
#1 / 3KernelGen 1P is an OpenAI AI-self-improvement evaluation that measures whether models can write and optimize compute kernels, part of the suite tracking progress toward accelerating internal research.
61.1%
Self-reported
Management Consulting Tasks (Internal)
#1 / 3Management Consulting Tasks is an internal OpenAI evaluation of long-horizon professional knowledge work drawn from management-consulting workflows, scoring whether models produce correct, decision-ready analyses.
43.2%
Self-reported
NanoGPT
#2 / 3NanoGPT is an OpenAI AI-self-improvement evaluation that measures whether models can optimize training recipes for small GPT-style models, part of the suite tracking progress toward accelerating internal research.
9.7%
Self-reported
PostTrainBench Lite
#2 / 3PostTrainBench Lite measures whether an agent can design and execute a full post-training strategy (data, prompts, RL recipe, and eval loop) for a pretrained base model under a constrained time budget, scored as normalized mean reward over the improvement window.
50.3%
Self-reported
RSI Index
#1 / 3The RSI (Recursive Self-Improvement) Index is OpenAI's aggregate metric across a bundle of internal AI-research evaluations, including debugging research systems, optimizing kernels and training recipes, and improving other models, measuring progress toward recursive self-improvement.
57.9%
Self-reported
Search and Function-Calling
#2 / 3Search and Function-Calling is an OpenAI internal production benchmark measuring reliable search-tool use and function calling in agentic workflows, reported as a pass rate.
91.0%
Self-reported