#03OpenAI· released 2026-07-09

OpenAI: GPT-5.6 Sol.

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...

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Context
1.1M
Input $/1M
$5.00
Output $/1M
$30.00
Modality
file · image · text

Benchmarks

How these are aggregated →
Arena Elo
1560
LMArena — human blind votes
AA Index
74.0
Artificial Analysis composite
LiveBench
82.4
Contamination-resistant
GPQA
84.1%
Grad-level science reasoning
MMLU-Pro
91.5%
Broad knowledge
SWE-bench
72.4%
Real GitHub bugs (Verified)
Terminal-Bench
58.2%
Agentic shell tasks
ARC-AGI
46.0%
Abstract reasoning
Aider Polyglot
78.1%
Multi-language code editing
Speed
92 tok/s
Median output speed

Nearby on the leaderboard