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 (batch) vs DeepSeek: R1
Anthropic: Claude Haiku 4.5 (batch) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
DeepSeek R1 is here: Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass....
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Haiku 4.5 (batch) | DeepSeek: R1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 64K | 🏆 Anthropic: Claude Haiku 4.5 (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.50 | $0.70 | 🏆 Anthropic: Claude Haiku 4.5 (batch) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.50 | $2.50 | Tie |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Anthropic: Claude Haiku 4.5 (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Haiku 4.5 (batch) better than DeepSeek: R1?
Anthropic: Claude Haiku 4.5 (batch) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Haiku 4.5 (batch) and DeepSeek: R1?
Input: $0.50 vs $0.70 per 1M tokens. Output: $2.50 vs $2.50 per 1M tokens.
What context windows do Anthropic: Claude Haiku 4.5 (batch) and DeepSeek: R1 support?
Anthropic: Claude Haiku 4.5 (batch) supports up to 200K tokens. DeepSeek: R1 supports up to 64K tokens.
Do both Anthropic: Claude Haiku 4.5 (batch) and DeepSeek: R1 support tool calling?
Anthropic: Claude Haiku 4.5 (batch): yes. DeepSeek: R1: yes.