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GPT-5.6 Terra
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Tool use · Reasoning
Overview
Pricing
Evaluations
Evaluation overview
Overall rank
#7
90.4 points · 180 models
Coding rank
#5
94.1 points · 160 models
Data coverage
40 items
1 source · updated through 2026-07-09
Domain performance
Coding
#5 / 160
94.1
Research
#18 / 174
92.7
Agents
#6 / 125
92.3
Vision
#10 / 65
91
Long context
#3 / 82
92.6
Evaluation highlights
All evaluations
GPQA-Diamond
Reasoning · OpenAI GPT-5.6 Release
92.9%
12
/ 126
Terminal-Bench 2.1
Agents · OpenAI GPT-5.6 Release
87.4%
2
/ 14
SWE-bench Pro
Coding · OpenAI GPT-5.6 Release
63.4%
7
/ 46
BenchCAD (with Python)
Multimodal · OpenAI GPT-5.6 Release
78.2%
2
/ 7
CTF Challenge (Internal)
Cybersecurity · OpenAI GPT-5.6 Release
91.8%
2
/ 5
OpenAI MRCR v2 8-needle 256K-512K
Long context · OpenAI GPT-5.6 Release
89.6%
2
/ 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
$2.5 /1M
Output
$15 /1M
Related links
Official site
Version relationships
GPT-5.6 family
GPT-5.6 Luna
2026-07 · Same series
GPT-5.6 Sol
2026-07 · Same series
GPT-5.6 Terra
Current
2026-07 · Current model