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OpenAI

GPT-5.6 Sol

Closed weights
Intelligence
28.3
Rank 140 of 744 measured models
Coding
65.1
Rank 69 of 298 measured models
Output speed
74.2 t/s
Rank 240 of 403 measured models
Price/1M
$8
Rank 603 of 659 measured models
Context window
1M
Rank 84 of 1199 measured models

GPT-5.6 Sol (Non-reasoning) scores 28.3 on the Artificial Analysis Intelligence Index, ranking 140th of 744 measured models. The closest models on this index are Qwen3.6 Max Preview (28.4), Nex-N2-Pro (Based on Qwen3.5-397B-A17B) (28.2), and Solar Pro 4 (28.2). At $8 per million tokens (3:1 input/output blended price), it is more expensive than Qwen3.6 Max Preview ($2.93) and Solar Pro 4 ($0.525). With an output speed of 74.2 t/s, it is faster than Qwen3.6 Max Preview (62.3 t/s), slower than Solar Pro 4 (94.3 t/s).

Artificial Analysis Indices
Non-reasoning
Intelligence28.3
Rank 140 of 744 measured models
Coding65.1
Rank 69 of 298 measured models
Agentic28.1
Rank 76 of 189 measured models
Reasoning levels
Each point is a reasoning level of this model: more reasoning often raises the score but costs more. Select a point to open that level.
Intelligence Indexmost efficient ↗Cost per task
Capability indexes
Performance in specific industries, measured by Artificial Analysis
Finance & Accounting29.2
Rank 118 of 218 measured models
Strategy & Ops32.1
Rank 110 of 218 measured models
Legal31.0
Rank 116 of 218 measured models
Economics32.1
Rank 141 of 225 measured models
Standard Benchmarks
GPQA Diamond79.0%
Rank 216 of 619 measured models
HLE16.7%
Rank 246 of 664 measured models
SciCode47.7%
Rank 127 of 231 measured models
AA-LCR62.3%
Rank 275 of 575 measured models
Terminal-Bench 2.174.2%
Rank 67 of 244 measured models
τ-Bench Banking19.6%
Rank 104 of 211 measured models
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.

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