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GPT-5.6 Sol
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Tool use · Reasoning
Overview
Pricing
Evaluations
Evaluation overview
Overall rank
#2
96.8 points · 180 models
Long context rank
#1
100 points · 82 models
Data coverage
78 items
5 sources · updated through 2026-07-17
Domain performance
Coding
#2 / 160
97.5
Research
#5 / 174
98.1
Agents
#2 / 125
98.8
Vision
#4 / 65
95.3
Long context
#1 / 82
100
Evaluation highlights
All evaluations
GPQA-Diamond
Reasoning · OpenAI GPT-5.6 Release
94.6%
1
/ 126
MMMU-Pro
Multimodal · Kimi K3 Official Release
83%
1
/ 34
Arena Agent Steerability
Agents · Arena.ai Agent · xHigh mode
17.26%
1
/ 31
Arena WebDev Rating
Coding · Arena.ai WebDev · Codex-harness mode
1,631.02Elo
3
/ 88
CTF Challenge (Internal)
Cybersecurity · OpenAI GPT-5.6 Release
96.7%
1
/ 5
OpenAI MRCR v2 8-needle 256K-512K
Long context · OpenAI GPT-5.6 Release
91.5%
1
/ 5
Basic information
Context (input / output)
1M / -
Release date
2026-07
Input modalities
Text · Image
Output modalities
Text
Release date
2026-07-09
Availability
OpenAI
Full pricing
Input
$5 /1M
Output
$30 /1M
Related links
Official site
Version relationships
GPT-5.6 family
GPT-5.6 Luna
2026-07 · Same series
GPT-5.6 Sol
Current
2026-07 · Current model
GPT-5.6 Terra
2026-07 · Same series
Runtime modes
xHigh