GPT-6.1 Terra vs Grok 4.7
Price, context window & benchmark comparison
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Verdict: GPT-6.1 Terra is 33% cheaper than Grok 4.7 on a typical 3:1 input/output mix. GPT-6.1 Terra scores higher on the Artificial Analysis Intelligence Index (51.3 vs 35.5). GPT-6.1 Terra has the larger context window (1.1M vs 500K).
| GPT-6.1 Terra | Grok 4.7 | |
|---|---|---|
| Input price / 1M | $1.00 | $2.00 |
| Output price / 1M | $5.00 | $6.00 |
| Blended price (3:1) | $2.00 | $3.00 |
| Cached input / 1M | $0.05 | $0.50 |
| Context window | 1.1M | 500K |
| Max output | 128K | 450K |
| Intelligence index | 51.3 | 35.5 |
| Coding index | — | — |
| Providers | 7 | 6 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-26 | 2026-09-21 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6.1 Terra or Grok 4.7?
GPT-6.1 Terra is 33% cheaper than Grok 4.7 on a typical 3:1 input/output mix.
GPT-6.1 Terra vs Grok 4.7: which has a bigger context window?
GPT-6.1 Terra: 1,050,000 tokens. Grok 4.7: 500,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6.1 Terra ≈ $4,500, Grok 4.7 ≈ $7,000.
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