GLM 4.7 Flash vs GPT-6 Luna
Price, context window & benchmark comparison
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Verdict: GLM 4.7 Flash is 27% cheaper than GPT-6 Luna on a typical 3:1 input/output mix. GPT-6 Luna has the larger context window (1.1M vs 200K).
| GLM 4.7 Flash | GPT-6 Luna | |
|---|---|---|
| Input price / 1M | $0.0605 | $0.10 |
| Output price / 1M | $0.40 | $0.50 |
| Blended price (3:1) | $0.15 | $0.20 |
| Cached input / 1M | — | $0.01 |
| Context window | 200K | 1.1M |
| Max output | 118K | 128K |
| Intelligence index | — | 37.3 |
| Coding index | — | — |
| Providers | — | 7 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-01-19 | 2026-09-22 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GLM 4.7 Flash or GPT-6 Luna?
GLM 4.7 Flash is 27% cheaper than GPT-6 Luna on a typical 3:1 input/output mix.
GLM 4.7 Flash vs GPT-6 Luna: which has a bigger context window?
GLM 4.7 Flash: 200,000 tokens. GPT-6 Luna: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 4.7 Flash ≈ $321.00, GPT-6 Luna ≈ $450.00.
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