DeepSeek V4 Flash Vision Exp vs GPT-6 Luna Pro
Price, context window & benchmark comparison
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Verdict: GPT-6 Luna Pro is 3.3× cheaper than DeepSeek V4 Flash Vision Exp on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 1M).
| DeepSeek V4 Flash Vision Exp | GPT-6 Luna Pro | |
|---|---|---|
| Input price / 1M | $0.44 | $0.10 |
| Output price / 1M | $1.32 | $0.50 |
| Blended price (3:1) | $0.66 | $0.20 |
| Cached input / 1M | $0.014 | $0.01 |
| Context window | 1M | 1.1M |
| Max output | 944K | 128K |
| Intelligence index | — | — |
| Coding index | 65 | — |
| Providers | 2 | 6 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-08-21 | 2026-09-22 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V4 Flash Vision Exp or GPT-6 Luna Pro?
GPT-6 Luna Pro is 3.3× cheaper than DeepSeek V4 Flash Vision Exp on a typical 3:1 input/output mix.
DeepSeek V4 Flash Vision Exp vs GPT-6 Luna Pro: which has a bigger context window?
DeepSeek V4 Flash Vision Exp: 1,048,576 tokens. GPT-6 Luna Pro: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash Vision Exp ≈ $1,540, GPT-6 Luna Pro ≈ $450.00.
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