OpenAI: GPT-5.6 Sol

openai/gpt-5.6-sol

Context: 1,050,000In: $5.00/1MOut: $30.00/1MUpdated 2026-08-05

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
58.9
Coding
77.4
Agentic
54.0

Metric profile

Trend over time

Intelligence
58.9
Coding
77.4
Agentic
54.0

Only 1 snapshot so far (data refreshes daily) — the trend line appears after the 2nd snapshot.

Classic evals (curated from model cards)

OpenAI GPT — manually maintained, may lag releases

MMLU-Pro
79.6%
GPQA Diamond
81.5%
HumanEval
96.8%
MATH-500
93%