GLM 5.3 FlashX vs Nex-N2.5-Pro
Price, context window & benchmark comparison
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Verdict: Nex-N2.5-Pro is 5.0× cheaper than GLM 5.3 FlashX on a typical 3:1 input/output mix. GLM 5.3 FlashX has the larger context window (1M vs 262K).
| GLM 5.3 FlashX | Nex-N2.5-Pro | |
|---|---|---|
| Input price / 1M | $0.37 | $0.075 |
| Output price / 1M | $1.25 | $0.25 |
| Blended price (3:1) | $0.59 | $0.12 |
| Cached input / 1M | $0.09 | $0.015 |
| Context window | 1M | 262K |
| Max output | 131K | 236K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-18 | 2026-09-08 |
| Retirement | — | — |
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FAQ
Which is cheaper, GLM 5.3 FlashX or Nex-N2.5-Pro?
Nex-N2.5-Pro is 5.0× cheaper than GLM 5.3 FlashX on a typical 3:1 input/output mix.
GLM 5.3 FlashX vs Nex-N2.5-Pro: which has a bigger context window?
GLM 5.3 FlashX: 1,048,576 tokens. Nex-N2.5-Pro: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 FlashX ≈ $1,365, Nex-N2.5-Pro ≈ $275.00.
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