DeepSeek V4 Flash 0731 vs GLM 5.3
Price, context window & benchmark comparison
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Verdict: DeepSeek V4 Flash 0731 is 12.6× cheaper than GLM 5.3 on a typical 3:1 input/output mix. GLM 5.3 scores higher on the Artificial Analysis Intelligence Index (44.8 vs 34.3).
| DeepSeek V4 Flash 0731 | GLM 5.3 | |
|---|---|---|
| Input price / 1M | $0.03 | $0.84 |
| Output price / 1M | $0.32 | $2.64 |
| Blended price (3:1) | $0.10 | $1.29 |
| Cached input / 1M | $0.016 | $0.16 |
| Context window | 1.3M | 1.3M |
| Max output | 944K | 131K |
| Intelligence index | 34.3 | 44.8 |
| Coding index | 69.1 | 74.8 |
| Providers | 30 | 34 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-07-31 | 2026-08-18 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, DeepSeek V4 Flash 0731 or GLM 5.3?
DeepSeek V4 Flash 0731 is 12.6× cheaper than GLM 5.3 on a typical 3:1 input/output mix.
DeepSeek V4 Flash 0731 vs GLM 5.3: which has a bigger context window?
DeepSeek V4 Flash 0731: 1,310,720 tokens. GLM 5.3: 1,310,720 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0731 ≈ $220.00, GLM 5.3 ≈ $3,000.
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