Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Model details →Anthropic: Claude Haiku 4.5 vs xAI: Grok Latest
Anthropic: Claude Haiku 4.5 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
This model always redirects to the latest Grok model from xAI.
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Haiku 4.5 | xAI: Grok Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 500K | 🏆 xAI: Grok Latest |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.00 | $2.00 | 🏆 Anthropic: Claude Haiku 4.5 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $5.00 | $6.00 | 🏆 Anthropic: Claude Haiku 4.5 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Haiku 4.5 better than xAI: Grok Latest?
Anthropic: Claude Haiku 4.5 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Haiku 4.5 and xAI: Grok Latest?
Input: $1.00 vs $2.00 per 1M tokens. Output: $5.00 vs $6.00 per 1M tokens.
What context windows do Anthropic: Claude Haiku 4.5 and xAI: Grok Latest support?
Anthropic: Claude Haiku 4.5 supports up to 200K tokens. xAI: Grok Latest supports up to 500K tokens.
Do both Anthropic: Claude Haiku 4.5 and xAI: Grok Latest support tool calling?
Anthropic: Claude Haiku 4.5: yes. xAI: Grok Latest: yes.
Compare Anthropic: Claude Haiku 4.5 with other models
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