GLM 5.3 FlashX vs Mistral Medium 3.1
Price, context window & benchmark comparison
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Verdict: GLM 5.3 FlashX is 26% cheaper than Mistral Medium 3.1 on a typical 3:1 input/output mix. GLM 5.3 FlashX has the larger context window (1M vs 131K).
| GLM 5.3 FlashX | Mistral Medium 3.1 | |
|---|---|---|
| Input price / 1M | $0.37 | $0.40 |
| Output price / 1M | $1.25 | $2.00 |
| Blended price (3:1) | $0.59 | $0.80 |
| Cached input / 1M | $0.09 | $0.04 |
| Context window | 1M | 131K |
| Max output | 131K | 105K |
| Intelligence index | — | 9.2 |
| Coding index | — | 20.5 |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-09-18 | 2025-08-13 |
| Retirement | — | — |
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FAQ
Which is cheaper, GLM 5.3 FlashX or Mistral Medium 3.1?
GLM 5.3 FlashX is 26% cheaper than Mistral Medium 3.1 on a typical 3:1 input/output mix.
GLM 5.3 FlashX vs Mistral Medium 3.1: which has a bigger context window?
GLM 5.3 FlashX: 1,048,576 tokens. Mistral Medium 3.1: 131,072 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 FlashX ≈ $1,365, Mistral Medium 3.1 ≈ $1,800.
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