Claude Opus 4.1 vs GLM 5.3 Prime
Price, context window & benchmark comparison
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Compare different models
Verdict: GLM 5.3 Prime is 7.0× cheaper than Claude Opus 4.1 on a typical 3:1 input/output mix. GLM 5.3 Prime has the larger context window (1M vs 200K).
| Claude Opus 4.1 | GLM 5.3 Prime | |
|---|---|---|
| Input price / 1M | $15.00 | $2.80 |
| Output price / 1M | $75.00 | $8.80 |
| Blended price (3:1) | $30.00 | $4.30 |
| Cached input / 1M | $1.50 | $0.56 |
| Context window | 200K | 1M |
| Max output | 32K | 131K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | — | 1 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-08-05 | 2026-09-23 |
| Retirement | — | — |
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FAQ
Which is cheaper, Claude Opus 4.1 or GLM 5.3 Prime?
GLM 5.3 Prime is 7.0× cheaper than Claude Opus 4.1 on a typical 3:1 input/output mix.
Claude Opus 4.1 vs GLM 5.3 Prime: which has a bigger context window?
Claude Opus 4.1: 200,000 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: Claude Opus 4.1 ≈ $67,500, GLM 5.3 Prime ≈ $10,000.
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