GLM 5.3 Flash vs Seed-2.0-Code
Price, context window & benchmark comparison
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Verdict: GLM 5.3 Flash is 4.7× cheaper than Seed-2.0-Code on a typical 3:1 input/output mix. GLM 5.3 Flash has the larger context window (1.3M vs 262K).
| GLM 5.3 Flash | Seed-2.0-Code | |
|---|---|---|
| Input price / 1M | $0.15 | $0.50 |
| Output price / 1M | $0.50 | $3.00 |
| Blended price (3:1) | $0.24 | $1.13 |
| Cached input / 1M | $0.05 | — |
| Context window | 1.3M | 262K |
| Max output | 944K | 131K |
| Intelligence index | 41.8 | — |
| Coding index | 71.5 | — |
| Providers | 31 | 1 |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-08-26 | 2026-08-12 |
| Retirement | — | 2026-11-11 |
Cost calculator
FAQ
Which is cheaper, GLM 5.3 Flash or Seed-2.0-Code?
GLM 5.3 Flash is 4.7× cheaper than Seed-2.0-Code on a typical 3:1 input/output mix.
GLM 5.3 Flash vs Seed-2.0-Code: which has a bigger context window?
GLM 5.3 Flash: 1,310,720 tokens. Seed-2.0-Code: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 Flash ≈ $550.00, Seed-2.0-Code ≈ $2,500.
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