GPT-5.6 Terra
OpenAI · released Jul 8, 2026
Mid-tier GPT-5.6 model balancing intelligence with very high throughput.
66.4
Podium Score
#160 of 673
1468
Arena Elo
37 on Arena
127 t/s
Output Speed
$12/M
Output Price
$2/M in
1.1M
Context Window
Scores by Source
Category Scores
📜 Long Context98.4
💰 Value95.6
🧠 Reasoning69.6
👁️ Multimodal67.1
📐 Math57.3
intelligence56.6
💻 Coding54.9
🤖 Agentic30.7
⚡ Speed26.0
Benchmark Results
GPQA Diamond92.9%
MRCR v289.6%
Browsecomp87.5%
τ²-Bench Retail86.3%
FrontierMath84.9%
MMMU-Pro80.7%
Ifbench71.2%
SWE-Bench Pro63.4%
Terminal-Bench Hard57.6%
SciCode53.9%
Toolathlon53.1%
Humanity’s Last Exam41.8%
Model Details
| Release date | Jul 8, 2026 |
|---|---|
| Parameters | Not disclosed |
| License | Proprietary |
| Context Window | 1,100,000 tokens |
| Input Price | $2/M |
| Output Price | $12/M |
| Output Speed | 127 t/s |
| Time to First Token | 172 ms |