GLM 5.3 Prime vs Solar Pro 4
Price, context window & benchmark comparison
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Compare different models
Verdict: Solar Pro 4 is 27.3× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. GLM 5.3 Prime has the larger context window (1M vs 524K).
| GLM 5.3 Prime | Solar Pro 4 | |
|---|---|---|
| Input price / 1M | $2.80 | $0.09 |
| Output price / 1M | $8.80 | $0.36 |
| Blended price (3:1) | $4.30 | $0.16 |
| Cached input / 1M | $0.56 | $0.018 |
| Context window | 1M | 524K |
| Max output | 131K | 131K |
| Intelligence index | — | — |
| Coding index | — | 52.7 |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-23 | 2026-08-10 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GLM 5.3 Prime or Solar Pro 4?
Solar Pro 4 is 27.3× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.
GLM 5.3 Prime vs Solar Pro 4: which has a bigger context window?
GLM 5.3 Prime: 1,000,000 tokens. Solar Pro 4: 524,288 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 Prime ≈ $10,000, Solar Pro 4 ≈ $360.00.
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