GPT-6 Luna vs Summarize
Price, context window & benchmark comparison
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Verdict: Summarize is 6.7× cheaper than GPT-6 Luna on a typical 3:1 input/output mix. GPT-6 Luna has the larger context window (1.1M vs 1M).
| GPT-6 Luna | Summarize | |
|---|---|---|
| Input price / 1M | $0.10 | $0.04 |
| Output price / 1M | $0.50 | Free |
| Blended price (3:1) | $0.20 | $0.03 |
| Cached input / 1M | $0.01 | — |
| Context window | 1.1M | 1M |
| Max output | 128K | 4K |
| Intelligence index | 27.8 | — |
| Coding index | — | — |
| Providers | 7 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| Released | 2026-09-22 | 2026-10-13 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6 Luna or Summarize?
Summarize is 6.7× cheaper than GPT-6 Luna on a typical 3:1 input/output mix.
GPT-6 Luna vs Summarize: which has a bigger context window?
GPT-6 Luna: 1,050,000 tokens. Summarize: 1,000,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Luna ≈ $450.00, Summarize ≈ $80.00.
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