GPT-6.1 Terra Pro vs Pareto 26.9
Price, context window & benchmark comparison
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Compare different models
Verdict: GPT-6.1 Terra Pro is 47% cheaper than Pareto 26.9 on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 262K).
| GPT-6.1 Terra Pro | Pareto 26.9 | |
|---|---|---|
| Input price / 1M | $1.00 | $2.50 |
| Output price / 1M | $5.00 | $7.50 |
| Blended price (3:1) | $2.00 | $3.75 |
| Cached input / 1M | $0.05 | $0.25 |
| Context window | 1.1M | 262K |
| Max output | 128K | 131K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 4 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-10-26 | 2026-10-13 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-6.1 Terra Pro or Pareto 26.9?
GPT-6.1 Terra Pro is 47% cheaper than Pareto 26.9 on a typical 3:1 input/output mix.
GPT-6.1 Terra Pro vs Pareto 26.9: which has a bigger context window?
GPT-6.1 Terra Pro: 1,050,000 tokens. Pareto 26.9: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Pareto 26.9 ≈ $8,750.
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