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GPT-5.6 Sol vs GPT-5.6 Terra

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GPT-5.6 SolGPT-5.6 Terra
AttributeGPT-5.6 SolOpenAI · 23 in the newsGPT-5.6 TerraOpenAI
Scores
Intelligence (ECI)161159
Coding9479
Math9795
Reasoning & Knowledge9474
Agentic & Tools6445
Specifications
DeveloperOpenAIOpenAI
FamilyGPTGPT
ReleasedJul 9, 2026Jul 9, 2026
Parameters
AvailabilityAPI accessAPI access
Context window1.1M1.1M
Price — $/M input$5.00$2.00
Price — $/M output$30.00$12.00
Inputsfile, image, textfile, image, text
Outputstexttext
Benchmarks
AIME 2024/2025100%100%
APEX40%
ARC-AGI98%97%
ARC-AGI-293%84%
GPQA Diamond93%93%
Humanity's Last Exam50%43%
SciCode56%54%
SimpleBench72%49%
SimpleQA Verified72%43%
WebDev Arena16201522
WeirdML89%78%
τ²-bench85%86%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.