Grok Code Fast 1 vs GLM-5.3-Flash (free)
Both have similar output pricing, while GLM-5.3-Flash (free) offers a larger context window. Choose Grok Code Fast 1 or GLM-5.3-Flash (free) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok Code Fast 1 | GLM-5.3-Flash (free) |
|---|---|---|
| Provider | OpenCode | OrcaRouter |
| Input / 1M tokens | $0.00 | $0.00 |
| Output / 1M tokens | $0.00 | $0.00 |
| Context window | 256K | 1M |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Aug 2025 | Aug 2026 |
| LMArena WebDev Elo score | 1166 | — |
FAQ
Is Grok Code Fast 1 or GLM-5.3-Flash (free) cheaper?
Grok Code Fast 1 and GLM-5.3-Flash (free) have comparable output pricing.
Which has the larger context window, Grok Code Fast 1 or GLM-5.3-Flash (free)?
GLM-5.3-Flash (free) 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.