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Side-by-side
DeepSeek R1 vs Claude Haiku 4.5
DeepSeek vs Anthropic — head-to-head specs and pricing.
DeepSeek
DeepSeek R1
Reasoning model — rivals o1/o3 at 20x lower cost
DeepSeek-R1 is an open reasoning model from DeepSeek. Excels at math, coding, and step-by-step logic. Outputs include visible chain-of-thought. WARNING: Per DeepSeek ToS, prompts may be used for model training and are processed on servers in China. Not recommended for sensitive workloads.
Anthropic
Claude Haiku 4.5
Fast and cheap from Anthropic.
Haiku is Anthropic's small model — optimized for throughput and cost.
| Spec | DeepSeek R1 | Claude Haiku 4.5 |
|---|---|---|
| Provider | DeepSeek | Anthropic |
| Input cost / 1M tokens | $0.66 | $0.96 |
| Output cost / 1M tokens | $2.63 | $4.80 |
| Context window | 65,536 tokens | 200,000 tokens |
| Max output tokens | 8,192 | 8,000 |
| Streaming support | ✓ | ✓ |
| Tool calling | — | ✓ |
| Vision input | — | — |
| JSON mode | ✓ | — |
| Status | ACTIVE | ACTIVE |
Use both via OneAPIKey — one key, one bill
OneAPIKey aggregates DeepSeek, Anthropic, and 10 more providers behind a single API. Smart Routing automatically picks the best model per request — or you choose explicitly.