Gemini 3.6 Flash vs GLM 5.3 Flash
Price, context window & benchmark comparison
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Verdict: GLM 5.3 Flash is 6.3× cheaper than Gemini 3.6 Flash on a typical 3:1 input/output mix. GLM 5.3 Flash scores higher on the Artificial Analysis Intelligence Index (41.8 vs 34). GLM 5.3 Flash has the larger context window (1.3M vs 1M).
| Gemini 3.6 Flash | GLM 5.3 Flash | |
|---|---|---|
| Input price / 1M | $0.75 | $0.15 |
| Output price / 1M | $3.75 | $0.50 |
| Blended price (3:1) | $1.50 | $0.24 |
| Cached input / 1M | $0.075 | $0.05 |
| Context window | 1M | 1.3M |
| Max output | 66K | 944K |
| Intelligence index | 34 | 41.8 |
| Coding index | 69.2 | 71.5 |
| Providers | 7 | 31 |
| Best provider uptime (30m) | 99.9% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-07-21 | 2026-08-26 |
| Retirement | — | — |
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FAQ
Which is cheaper, Gemini 3.6 Flash or GLM 5.3 Flash?
GLM 5.3 Flash is 6.3× cheaper than Gemini 3.6 Flash on a typical 3:1 input/output mix.
Gemini 3.6 Flash vs GLM 5.3 Flash: which has a bigger context window?
Gemini 3.6 Flash: 1,048,576 tokens. GLM 5.3 Flash: 1,310,720 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Gemini 3.6 Flash ≈ $3,375, GLM 5.3 Flash ≈ $550.00.
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