Claude Haiku 5.5 vs Grok 4.1 Fast Reasoning (Azure)
Both have similar output pricing, while Claude Haiku 5.5 offers a larger context window. Choose Claude Haiku 5.5 or Grok 4.1 Fast Reasoning (Azure) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Haiku 5.5 | Grok 4.1 Fast Reasoning (Azure) |
|---|---|---|
| Provider | Anthropic | LLM Gateway |
| Input / 1M tokens | $0.10 | $0.20 |
| Output / 1M tokens | $0.50 | $0.50 |
| Context window | 1M | 128K |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Nov 2025 |
| LMArena (Chatbot Arena) Elo score | 1401 | — |
| LMArena WebDev Elo score | 1589 | — |
| GPQA Diamond score | 89.7 | — |
| Epoch Capabilities Index score | 160 | — |
FAQ
Is Claude Haiku 5.5 or Grok 4.1 Fast Reasoning (Azure) cheaper?
Claude Haiku 5.5 and Grok 4.1 Fast Reasoning (Azure) have comparable output pricing.
Which has the larger context window, Claude Haiku 5.5 or Grok 4.1 Fast Reasoning (Azure)?
Claude Haiku 5.5 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.