OpenAI
GPT-5.6 Terra (xHigh)
Released 2026-07-09 · Context 1050K · Data snapshot 2026-10-23
Overall score
60.4
Ranked #22Benchmark coverage
90.9%
20 third-party benchmarks
Context window
1050K
tokens
Input price
$2.00
Cache read $0.20
Output price
$12.00
per million tokens
OpenRouter usage
#59
243.8B tokens/day
Prices converted at snapshot-day rate (USD/CNY 6.6743)
Dimension performance
Human preference
66.4
Reasoning
65.8
Coding
61.0
Knowledge
59.4
Office
53.0
Above averageBelow averageAnchored at 50 (reference models’ average); every 15 points ≈ one standard deviation
Benchmark details
Coding5 items
LiveBench 2.0 · Coding86.2
LiveBench 2.0 · Browser84
AA Coding Indexmedium64.7
LiveBench 2.0 · Long Agentic48.4
AA Agentic Indexmedium30.4
Reasoning3 items
LiveBench 2.0 · Reasoning90.6
FrontierMath (Tiers 1-3)max86
AA Intelligence Indexmedium30.1
Office9 items
LiveBench 2.0 · Data Analysis79.3
LiveBench 2.0 · Design76
LiveBench 2.0 · Research60.4
AA Economicsmedium36.9
AA Strategy & Opsmedium34.4
AA Legalmedium33.8
AA Healthcare & Medicalmedium32.2
AA Finance & Accountingmedium31.8
AA Engineeringmedium31
Knowledge2 items
GPQA Diamondmax93.3
SimpleQA Verifiedmax43.2
Human preference1 items
LMArena Human Blind Vote1467.2184
Multiple reasoning tiers of the same benchmark take the best value; raw scores have different scales and are not comparable across benchmarks.
Score trend
2026-10-202026-10-23
View daily data
| 2026-10-23 | 60.4 |
| 2026-10-22 | 60.4 |
| 2026-10-21 | 60.2 |
| 2026-10-20 | 60.2 |