GPT-6.1 Terra Pro vs LFM2.5-2.6B
Price, context window & benchmark comparison
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Verdict: LFM2.5-2.6B is 5.2× 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 128K).
| GPT-6.1 Terra Pro | LFM2.5-2.6B | |
|---|---|---|
| Input price / 1M | $1.00 | $0.35 |
| Output price / 1M | $5.00 | $0.50 |
| Blended price (3:1) | $2.00 | $0.39 |
| Cached input / 1M | $0.05 | $0.04 |
| Context window | 1.1M | 128K |
| Max output | 128K | 8K |
| Intelligence index | — | — |
| Coding index | — | 7.7 |
| Providers | 4 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-26 | 2026-08-11 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-6.1 Terra Pro or LFM2.5-2.6B?
LFM2.5-2.6B is 5.2× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.
GPT-6.1 Terra Pro vs LFM2.5-2.6B: which has a bigger context window?
GPT-6.1 Terra Pro: 1,050,000 tokens. LFM2.5-2.6B: 128,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, LFM2.5-2.6B ≈ $950.00.
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