Claude Haiku 4.5 vs DeepSeek R1 (0528)
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
Anthropic · Oct 2025
Anthropic's fast tier: Sonnet-4-class coding performance at $1/$5 and more than twice the speed.
DeepSeek · May 2025
The open reasoning model that started it all — RL-trained chain-of-thought, MIT licensed, and a research landmark.
The verdict
DeepSeek R1 (0528) wins 1 of the 1 benchmarks these models share, against 0 for Claude Haiku 4.5. DeepSeek R1 (0528) is about 2.1x cheaper per blended million tokens (3:1 input:output mix). Claude Haiku 4.5 also takes 200K of context versus 128K for DeepSeek R1 (0528). And DeepSeek R1 (0528) is open-weights (MIT), so it can be self-hosted — a structural advantage if data control or vendor independence matters.
Benchmark head-to-head 0–1
Specs & pricing
| Claude Haiku 4.5 | DeepSeek R1 (0528) | |
|---|---|---|
| modhub Index | — | 67.8 |
| Input price / 1M | $1 | $0.55 |
| Output price / 1M | $5 | $2.19 |
| Context window | 200K | 128K |
| Max output | 64K | 64K |
| Open weights | no | yes (MIT) |
| Reasoning model | yes | yes |
| Multimodal input | text, image | text |
| Knowledge cutoff | Feb 2025 | Mar 2025 |
| Released | Oct 2025 | May 2025 |
| Example monthly cost* | $17.50 | $8.79 |
* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.
Frequently asked questions
- Which is better, Claude Haiku 4.5 or DeepSeek R1 (0528)?
- DeepSeek R1 (0528) wins 1 of the 1 benchmarks these models share, against 0 for Claude Haiku 4.5. DeepSeek R1 (0528) is about 2.1x cheaper per blended million tokens (3:1 input:output mix). Claude Haiku 4.5 also takes 200K of context versus 128K for DeepSeek R1 (0528). And DeepSeek R1 (0528) is open-weights (MIT), so it can be self-hosted — a structural advantage if data control or vendor independence matters.
- Which is cheaper, Claude Haiku 4.5 or DeepSeek R1 (0528)?
- Claude Haiku 4.5 costs $1/$5 per million input/output tokens, while DeepSeek R1 (0528) costs $0.55/$2.19. For a typical workload of 10M input and 1.5M output tokens per month, that's $17.50 versus $8.79.
- Which model is better for coding, Claude Haiku 4.5 or DeepSeek R1 (0528)?
- We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.