R1 vs GPT-6 Luna
Price, context window & benchmark comparison
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Verdict: GPT-6 Luna is 5.7× cheaper than R1 on a typical 3:1 input/output mix. GPT-6 Luna scores higher on the Artificial Analysis Intelligence Index (27.9 vs 11.4). GPT-6 Luna has the larger context window (1.1M vs 64K).
| R1 | GPT-6 Luna | |
|---|---|---|
| Input price / 1M | $0.70 | $0.10 |
| Output price / 1M | $2.50 | $0.50 |
| Blended price (3:1) | $1.15 | $0.20 |
| Cached input / 1M | — | $0.01 |
| Context window | 64K | 1.1M |
| Max output | 16K | 128K |
| Intelligence index | 11.4 | 27.9 |
| Coding index | 24.6 | — |
| Providers | — | 8 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-01-20 | 2026-09-22 |
| Retirement | — | — |
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FAQ
Which is cheaper, R1 or GPT-6 Luna?
GPT-6 Luna is 5.7× cheaper than R1 on a typical 3:1 input/output mix.
R1 vs GPT-6 Luna: which has a bigger context window?
R1: 64,000 tokens. GPT-6 Luna: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: R1 ≈ $2,650, GPT-6 Luna ≈ $450.00.
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