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GPT-5.6 Sol

openai/gpt-5.6-sol

Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows

Compare
Context window
1.1M
Input
Image · Text
Output
Text
Released
2026-07-09
Max output
128K
Knowledge cutoff
2026-02-16
Weights
Closed
Capabilities
Attachments, Reasoning, Structured, Tool call

Pricing

IN

$4.00 – $8.00

USD / 1,000,000 token

$4.00 · prompt: <=272000 input tokens

$8.00 · prompt: >272000 input tokens

Cache read

$0.40 – $0.80

USD / 1,000,000 token

$0.40 · prompt: <=272000 input tokens

$0.80 · prompt: >272000 input tokens

Cache write

$5.00 – $20.00

USD / 1,000,000 token

$5.00 · prompt: <=272000 input tokens; cache minimum lifetime 30m; total write rate (not surcharge)

$10.00 · prompt: >272000 input tokens; cache minimum lifetime 30m; total write rate (not surcharge)

$10.00 · prompt: <=272000 input tokens; cache minimum lifetime 12h; total write rate (not surcharge)

$20.00 · prompt: >272000 input tokens; cache minimum lifetime 12h; total write rate (not surcharge)

OUT

$20.00 – $30.00

USD / 1,000,000 token

$20.00 · prompt: <=272000 input tokens

$30.00 · prompt: >272000 input tokens

Estimate usage cost

Compare verified public prices for this exact model and region. Enter uncached input and cache usage separately. Estimates exclude unspecified fees, credits and currency conversion. Set requests to zero to estimate token charges only.

Performance

Overall capability

63.2/100

Coding
60.7
Reasoning
64.9
Professional work
59.7
Knowledge & language
64.7
Arena Agent OverallProfessional workLMArena2026-11-08
MCP AtlassolProfessional workScale AI2026-11-05
AA-BriefcaseProfessional workArtificial Analysis2026-11-05
Terminal-Bench 4.0 (Vals rerun)CodingVals AI2026-11-05
SimpleQA VerifiedKnowledge & languageEpoch AI2026-11-05
CritPtGPT-5.6 Sol (Max)ReasoningArtificial Analysis2026-11-05
AA-LCRGPT-5.6 Sol (Max)Knowledge & languageArtificial Analysis2026-11-05
Terminal-Bench Science · AAGPT-5.6 Sol (Max)ReasoningArtificial Analysis2026-11-05

Providers

InputOutputCache readCache write
OpenAIgpt-5.6-solOpenai responsesglobal
OpenRouteropenai/gpt-5.6-solOpenai chatglobal

ModelRegistry · Catalog updated 2026-11-10