LFM2.5 2.6B vs GLM 5.3 Flash
GLM 5.3 Flash is cheaper on output tokens, while GLM 5.3 Flash offers a larger context window. Choose LFM2.5 2.6B or GLM 5.3 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | LFM2.5 2.6B | GLM 5.3 Flash |
|---|---|---|
| Provider | NanoGPT | Z.ai |
| Input / 1M tokens | $0.10 | $0.01 |
| Output / 1M tokens | $0.20 | $0.20 |
| Context window | 128K | 1M |
| Parameters | — | — |
| Open weights | Yes | — |
| Released | Aug 2026 | — |
| LMArena (Chatbot Arena) Elo score | — | 1471 |
| LMArena WebDev Elo score | — | 1607 |
| LMArena Vision Elo score | — | 1294 |
| GPQA Diamond score | — | 90.2 |
| Epoch Capabilities Index score | — | 153 |
FAQ
Is LFM2.5 2.6B or GLM 5.3 Flash cheaper?
GLM 5.3 Flash is cheaper on output tokens ($0.20 vs $0.20 per 1M).
Which has the larger context window, LFM2.5 2.6B or GLM 5.3 Flash?
GLM 5.3 Flash has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.