GPT-6.1 Terra Pro vs LFM3-1.7B
Price, context window & benchmark comparison
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Verdict: LFM3-1.7B is 18.2× 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 262K).
| GPT-6.1 Terra Pro | LFM3-1.7B | |
|---|---|---|
| Input price / 1M | $1.00 | $0.08 |
| Output price / 1M | $5.00 | $0.20 |
| Blended price (3:1) | $2.00 | $0.11 |
| Cached input / 1M | $0.05 | $0.02 |
| Context window | 1.1M | 262K |
| Max output | 128K | 8K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 6 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-26 | 2026-11-06 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-6.1 Terra Pro or LFM3-1.7B?
LFM3-1.7B is 18.2× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.
GPT-6.1 Terra Pro vs LFM3-1.7B: which has a bigger context window?
GPT-6.1 Terra Pro: 1,050,000 tokens. LFM3-1.7B: 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, LFM3-1.7B ≈ $260.00.
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