GLM 5.3 Prime vs o1-pro
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GLM 5.3 Prime is 61.0× cheaper than o1-pro on a typical 3:1 input/output mix. GLM 5.3 Prime has the larger context window (1M vs 200K).
| GLM 5.3 Prime | o1-pro | |
|---|---|---|
| Input price / 1M | $2.80 | $150.00 |
| Output price / 1M | $8.80 | $600.00 |
| Blended price (3:1) | $4.30 | $262.50 |
| Cached input / 1M | $0.56 | — |
| Context window | 1M | 200K |
| Max output | 131K | 100K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | No |
| Released | 2026-09-23 | 2025-03-19 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GLM 5.3 Prime or o1-pro?
GLM 5.3 Prime is 61.0× cheaper than o1-pro on a typical 3:1 input/output mix.
GLM 5.3 Prime vs o1-pro: which has a bigger context window?
GLM 5.3 Prime: 1,000,000 tokens. o1-pro: 200,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 Prime ≈ $10,000, o1-pro ≈ $600,000.
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