R1 vs Nemotron 3.5 Lightning
Price, context window & benchmark comparison
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Verdict: Nemotron 3.5 Lightning is 10.5× cheaper than R1 on a typical 3:1 input/output mix. Nemotron 3.5 Lightning scores higher on the Artificial Analysis Intelligence Index (12.9 vs 11.4). Nemotron 3.5 Lightning has the larger context window (262K vs 64K).
| R1 | Nemotron 3.5 Lightning | |
|---|---|---|
| Input price / 1M | $0.70 | $0.08 |
| Output price / 1M | $2.50 | $0.20 |
| Blended price (3:1) | $1.15 | $0.11 |
| Cached input / 1M | — | $0.04 |
| Context window | 64K | 262K |
| Max output | 16K | 131K |
| Intelligence index | 11.4 | 12.9 |
| Coding index | 24.6 | 26.8 |
| Providers | — | 4 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-01-20 | 2026-08-11 |
| Retirement | — | — |
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FAQ
Which is cheaper, R1 or Nemotron 3.5 Lightning?
Nemotron 3.5 Lightning is 10.5× cheaper than R1 on a typical 3:1 input/output mix.
R1 vs Nemotron 3.5 Lightning: which has a bigger context window?
R1: 64,000 tokens. Nemotron 3.5 Lightning: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: R1 ≈ $2,650, Nemotron 3.5 Lightning ≈ $260.00.
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