Claude Haiku 5.5 vs Grok 4.1 Fast Reasoning (Azure AI Foundry)
Both have similar output pricing, while Grok 4.1 Fast Reasoning (Azure AI Foundry) offers a larger context window. Choose Claude Haiku 5.5 or Grok 4.1 Fast Reasoning (Azure AI Foundry) 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 AI Foundry) |
|---|---|---|
| Provider | Anthropic | LLM Gateway |
| Input / 1M tokens | $0.10 | $0.20 |
| Output / 1M tokens | $0.50 | $0.50 |
| Context window | 1M | 2M |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Nov 2025 |
| GPQA Diamond score | 89.7 | — |
| Epoch Capabilities Index score | 159 | — |
| LMArena WebDev Elo score | 1585 | — |
FAQ
Is Claude Haiku 5.5 or Grok 4.1 Fast Reasoning (Azure AI Foundry) cheaper?
Claude Haiku 5.5 and Grok 4.1 Fast Reasoning (Azure AI Foundry) have comparable output pricing.
Which has the larger context window, Claude Haiku 5.5 or Grok 4.1 Fast Reasoning (Azure AI Foundry)?
Grok 4.1 Fast Reasoning (Azure AI Foundry) has the larger context window (2M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.