GLM 5.3 Flash vs LFM2.5-24B-A2B
Price, context window & benchmark comparison
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Verdict: GLM 5.3 Flash is 15.2× cheaper than LFM2.5-24B-A2B on a typical 3:1 input/output mix. GLM 5.3 Flash has the larger context window (1M vs 128K).
| GLM 5.3 Flash | LFM2.5-24B-A2B | |
|---|---|---|
| Input price / 1M | $0.013 | $0.05 |
| Output price / 1M | $0.0168 | $0.70 |
| Blended price (3:1) | $0.014 | $0.21 |
| Cached input / 1M | $0.0119 | $0.025 |
| Context window | 1M | 128K |
| Max output | 944K | 8K |
| Intelligence index | 27.8 | — |
| Coding index | 71.5 | — |
| Providers | 40 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-08-26 | 2026-10-13 |
| Retirement | — | — |
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FAQ
Which is cheaper, GLM 5.3 Flash or LFM2.5-24B-A2B?
GLM 5.3 Flash is 15.2× cheaper than LFM2.5-24B-A2B on a typical 3:1 input/output mix.
GLM 5.3 Flash vs LFM2.5-24B-A2B: which has a bigger context window?
GLM 5.3 Flash: 1,048,576 tokens. LFM2.5-24B-A2B: 128,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 Flash ≈ $34.40, LFM2.5-24B-A2B ≈ $450.00.
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