OpenAI · AI Model

GPT-5.6 Sol

gpt-5.6-sol · Released 09 July 2026

Model profile

ProviderOpenAI
FamilyGPT-5.6
Modalitymultimodal
Context1,050,000 tokens
Max output128,000 tokens
ReasoningYes
Tool callingYes
Structured outputYes
Open weightsNo / not recorded
Licence

Published Cybatar benchmarks

No verified Cybatar-run benchmark result has been published for this model yet.

Model economics

Pricing history

Versioned observations tied to the exact deployment and source date.

All model pricing →
EffectiveDeploymentModeInput / 1MCached / 1MOutput / 1MSource
21 Aug 2026OpenAI standard · shortUSD 4USD 20Source ↗
09 Jul 2026OpenAI standard · shortUSD 5USD 0.5USD 30Source ↗
Lifecycle intelligence

Release & availability timeline

21 Aug 2026 · Pricing Change

GPT-5.6 Sol pricing observation

Promotional pricing published after the August 21 update; promotional period stated to run at least through November 21, 2026.

Evidence ↗
21 Aug 2026 · Pricing

OpenAI introduces promotional GPT-5.6 Sol pricing

OpenAI updates GPT-5.6 Sol pricing with a temporary promotional reduction.

Evidence ↗
09 Jul 2026 · Pricing Change

GPT-5.6 Sol pricing observation

Launch pricing.

Evidence ↗
09 Jul 2026 · Model Release

GPT-5.6 Sol release record

Official-source release record for the exact GPT-5.6 Sol model version.

Evidence ↗
09 Jul 2026 · Model Release

OpenAI launches GPT-5.6 family

GPT-5.6 becomes generally available across Sol, Terra and Luna tiers.

Evidence ↗
External research evidence

Published benchmark observations

Reported by independent evaluators or the model provider. These are contextual research observations, not Cybatar-run scores.

BenchmarkScoreConfiguration / harnessProvenanceSource
Artificial Analysis Intelligence Index v4.1.161 Model evaluation · reasoning effort: maxIndependentArtificial Analysis
GDPval-AA v21679 EloModel evaluation · reasoning effort: xhighIndependentArtificial Analysis
Artificial Analysis Coding Agent Index v1.367 Codex · reasoning effort: maxIndependentArtificial Analysis
DeepSWE 1.169 %Codex · reasoning effort: maxIndependentArtificial Analysis
Terminal-Bench 2.188 %Codex · reasoning effort: maxIndependentArtificial Analysis
SWE-Atlas-QnA 202643 %Codex · reasoning effort: maxIndependentArtificial Analysis
GPQA Diamond 202694.6 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI
FrontierMath Tier 1-3 v289 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI
FrontierMath Tier 4 v283 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI
MMMU-Pro (no tools) 202683 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI
MMMU-Pro (with tools) 202684.6 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI
AutomationBench 202618.1 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI
GDP.pdf 202630.7 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI
HealthBench Professional 202660.5 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI
Terminal-Bench 2.188.8 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI
DeepSWE 1.172.7 %Model evaluation · provider reported configuration: OpenAI launch evaluationProvider ReportedOpenAI