GPT 6.1 Terra
GPT-6.1 Terra is a fast, efficient model for everyday work, with strong visual reasoning, clearer writing, and capable coding at half GPT-6.1 Sol’s standard token prices. It supports text and image input, tool calling, structured outputs, and optional reasoning from none through max.
- Reasoning
- Vision
- Native PDF input
- Tool Calling
- Structured Output
Added Oct 26, 2026
Pricing
Auto routing · per 1M tokens- Input
- $1.00
- Output
- $5.00
- Cache read
- $0.05
Specifications
- Context window
- 1.1M
- Max output
- 128K
Benchmarks
Benchmarks
Leaderboard results
| Benchmark | Score | Rank on NanoGPT |
|---|---|---|
Epoch AI Benchmarking Hub Epoch AI data, CC BY 4.0 · Updated Nov 15, 2026 | ||
Epoch Capabilities Index | 167.7 | #6 of 115 |
FrontierMath v2 (Tiers 1–3) | 90.9% | #5 of 83 |
GPQA Diamond | 94.3% | #11 of 119 |
SimpleQA Verified | 57.3% | #22 of 82 |
FrontierMath v2 (Tier 4) | 92.7% | #6 of 67 |
OTIS Mock AIME 2024–2025 | 100.0% | #11 of 121 |
MirrorCode | 76.7% | #6 of 39 |
Mystery Game Puzzles | 74.0% | #4 of 77 |
Filtered and ranked to models on NanoGPT.
Providers
Auto routing is available for this model. Explicit provider selection is not available.
| Cache write /M | ||||||
|---|---|---|---|---|---|---|
 Recommended | $1.00 | $5.00 | $0.05 | $1.25 | N/A | N/A |
| >272k | $2.00 | $7.50 | $0.10 | $2.50 |
