GPT-6.1 Terra
GPT-6.1 Terra by OpenAI: League Score, pricing, context window and sourced benchmarks — the full tracked record.
83 Closed $1.00 / $5.00 per 1M 1.1M context
League positions: #9 overall · #8 Value Division. Score coverage: 40% of components measured. Count tokens & cost for GPT-6.1 Terra · Estimate a workload cost
Agent-ready: this model is tracked with agentic strengths. See the AI Agents section for the products and frameworks that put models like this to work.
Specifications & pricing
| Maker | OpenAI — lab profile |
| Family | GPT-6 |
| Released | Oct 26, 2026 |
| Status | Current |
| Weights | Closed / proprietary API |
| License | Proprietary |
| Knowledge cutoff | 2026-06-01 |
| Context window | 1,050,000 tokens |
| Max output | 128,000 tokens |
| Modalities in | text, image |
| Modalities out | text |
| API price (input) | $1.00 per 1M tokens |
| API price (output) | $5.00 per 1M tokens |
| Cached input | $0.050 per 1M |
| Blended (3:1 in:out) | $2.00 per 1M |
| Pricing source | Official pricing page (checked Oct 27, 2026) |
| API access | OpenAI API |
Benchmark results
| Benchmark | Score | Source | Date | Link |
|---|---|---|---|---|
| LiveBench overall | 77.8 / 100 | LiveBench | Oct 27, 2026 | Source |
How its League Score is built
| Component | Raw | Normalised | Weight | Date | Link |
|---|---|---|---|---|---|
| LiveBench overall | 77.8 | 83.2 | 40% | Oct 27, 2026 | Source |
Normalised 0–100 against the tracked field; missing components redistribute their weight. Full rules on the methodology page.
Closest rivals
- GPT-6.1 Terra vs DeepSeek V4.1 Flash — full comparison or compare any pair
- GPT-6.1 Terra vs Gemini 4 Argon — full comparison or compare any pair
- GPT-6.1 Terra vs GPT-5.6 Sol — full comparison or compare any pair
FAQ
How much does GPT-6.1 Terra cost?
GPT-6.1 Terra costs $1.00 per 1M input tokens and $5.00 per 1M output tokens on the first-party API (checked Oct 27, 2026).
What is the context window of GPT-6.1 Terra?
GPT-6.1 Terra accepts up to 1,050,000 tokens of context.
Is GPT-6.1 Terra open source?
No — GPT-6.1 Terra is a closed model available through OpenAI’s API and products.
Data verified Oct 27, 2026. Spotted an error? Every figure above links to its source.