OpenAI
GPT-5.6 Terra (medium)
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
Introducing GPT-5Model Snapshot
ReleaseJul 9, 2026
Context1,050,000
Overall
Rank #31 across 566
45.6
Coding
Rank #36 across 222
64.7
Blended Price
Rank #318 across 371
$5.63/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Output Speed103.3 tok/s
First Token1.73s
Max Output128,000
Pricing
Blended$5.63/M
Input$2.50/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 45.6 | #31 |
| Artificial Analysis Coding Index | coding | 64.7 | #36 |
| GPQA | reasoning | 87.2% | #60 |
| Humanity's Last Exam | reasoning | 31.6% | #47 |
| SciCode |