DeepSeek V4 Flash 0423 vs GLM 5.3 Prime
Price, context window & benchmark comparison
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Verdict: DeepSeek V4 Flash 0423 is 38.8× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. DeepSeek V4 Flash 0423 has the larger context window (1M vs 1M).
| DeepSeek V4 Flash 0423 | GLM 5.3 Prime | |
|---|---|---|
| Input price / 1M | $0.0886 | $2.80 |
| Output price / 1M | $0.18 | $8.80 |
| Blended price (3:1) | $0.11 | $4.30 |
| Cached input / 1M | $0.0177 | $0.56 |
| Context window | 1M | 1M |
| Max output | 384K | 131K |
| Intelligence index | 24.2 | — |
| Coding index | 56.2 | — |
| Providers | — | 1 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-04-24 | 2026-09-23 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V4 Flash 0423 or GLM 5.3 Prime?
DeepSeek V4 Flash 0423 is 38.8× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.
DeepSeek V4 Flash 0423 vs GLM 5.3 Prime: which has a bigger context window?
DeepSeek V4 Flash 0423: 1,048,576 tokens. GLM 5.3 Prime: 1,000,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0423 ≈ $265.80, GLM 5.3 Prime ≈ $10,000.
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