GPT-6.1 Terra Pro vs Hermes 4 405B
Price, context window & benchmark comparison
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Verdict: Hermes 4 405B is 25% cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 131K).
| GPT-6.1 Terra Pro | Hermes 4 405B | |
|---|---|---|
| Input price / 1M | $1.00 | $1.00 |
| Output price / 1M | $5.00 | $3.00 |
| Blended price (3:1) | $2.00 | $1.50 |
| Cached input / 1M | $0.05 | $0.20 |
| Context window | 1.1M | 131K |
| Max output | 128K | 118K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 6 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | No |
| Released | 2026-10-26 | 2025-08-26 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-6.1 Terra Pro or Hermes 4 405B?
Hermes 4 405B is 25% cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.
GPT-6.1 Terra Pro vs Hermes 4 405B: which has a bigger context window?
GPT-6.1 Terra Pro: 1,050,000 tokens. Hermes 4 405B: 131,072 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Hermes 4 405B ≈ $3,500.
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