Ember-1 vs GPT-6.1 Terra
Price, context window & benchmark comparison
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Verdict: GPT-6.1 Terra is 3.0× cheaper than Ember-1 on a typical 3:1 input/output mix. GPT-6.1 Terra has the larger context window (1.1M vs 1M).
| Ember-1 | GPT-6.1 Terra | |
|---|---|---|
| Input price / 1M | $3.00 | $1.00 |
| Output price / 1M | $15.00 | $5.00 |
| Blended price (3:1) | $6.00 | $2.00 |
| Cached input / 1M | $0.30 | $0.05 |
| Context window | 1M | 1.1M |
| Max output | 944K | 128K |
| Intelligence index | — | 51.3 |
| Coding index | — | — |
| Providers | — | 7 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-24 | 2026-10-26 |
| Retirement | — | — |
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FAQ
Which is cheaper, Ember-1 or GPT-6.1 Terra?
GPT-6.1 Terra is 3.0× cheaper than Ember-1 on a typical 3:1 input/output mix.
Ember-1 vs GPT-6.1 Terra: which has a bigger context window?
Ember-1: 1,048,576 tokens. GPT-6.1 Terra: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Ember-1 ≈ $13,500, GPT-6.1 Terra ≈ $4,500.
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