GPT-6 Luna vs Moondream 3 Preview
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GPT-6 Luna is 4.3× cheaper than Moondream 3 Preview on a typical 3:1 input/output mix. GPT-6 Luna has the larger context window (1.1M vs 32K).
| GPT-6 Luna | Moondream 3 Preview | |
|---|---|---|
| Input price / 1M | $0.10 | $0.30 |
| Output price / 1M | $0.50 | $2.50 |
| Blended price (3:1) | $0.20 | $0.85 |
| Cached input / 1M | $0.01 | — |
| Context window | 1.1M | 32K |
| Max output | 128K | 4K |
| Intelligence index | 27.8 | — |
| Coding index | — | — |
| Providers | 7 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | No |
| Released | 2026-09-22 | 2026-10-15 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6 Luna or Moondream 3 Preview?
GPT-6 Luna is 4.3× cheaper than Moondream 3 Preview on a typical 3:1 input/output mix.
GPT-6 Luna vs Moondream 3 Preview: which has a bigger context window?
GPT-6 Luna: 1,050,000 tokens. Moondream 3 Preview: 32,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Luna ≈ $450.00, Moondream 3 Preview ≈ $1,850.
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