Claude Haiku 4.5 vs DeepSeek V4
Anthropic's speed / budget tier against DeepSeek's open-weight flagship (v4-pro · v4-flash) — published pricing, context windows and specs, side by side.
Claude Haiku 4.5 vs DeepSeek V4: side-by-side
| Claude Haiku 4.5 | DeepSeek V4 | |
|---|---|---|
| Maker | Anthropic | DeepSeek |
| Released | 15 October 2025 | 24 April 2026 |
| Tier | Speed / budget tier | Open-weight flagship (V4-Pro · V4-Flash) |
| Context window | 200,000 tokens | 1,000,000 tokens (both tiers) |
| Max output | Up to 64,000 tokens | Not specified |
| API price (per 1M) | $1 / $5 per 1M tokens | $1.74 / $3.48 (V4-Pro) · $0.14 / $0.28 (V4-Flash) per 1M |
| Access | Proprietary — Claude API & claude.ai | Open weights — MIT licence, on Hugging Face & ModelScope (V4-Pro 1.6T params / 49B active; V4-Flash 284B / 13B active) |
| Best at | High-volume, latency-sensitive, cost-sensitive tasks; subagents | Coding, competitive programming, low-cost agentic work |
| Standout | Sonnet 4-level coding at one-third the cost and 2x+ the speed; extended thinking (a Haiku first) | Largest open-weights model of 2026 — MIT-licensed 1.6T-param MoE |
Price comparison
| Model | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Claude Haiku 4.5 | $1.00 | $5.00 |
| DeepSeek V4-Flash | $0.14 | $0.28 |
| DeepSeek V4-Pro | $1.74 | $3.48 |
Published benchmark figures
Each figure below is the model's own published score as listed on its AI Model Hub page. Different suites (and suite versions) are not directly comparable.
| Model | Benchmark | Published score |
|---|---|---|
| DeepSeek V4 | SWE-bench Verified | 80.6% |
| DeepSeek V4 | Codeforces rating | 3,206 |
What the table says
- Pricing. Claude Haiku 4.5 lists at $1 / $5 per 1M tokens; DeepSeek V4 lists at $1.74 / $3.48 (V4-Pro) · $0.14 / $0.28 (V4-Flash) per 1M. On these published rates, Claude Haiku 4.5's input price is 1.7x lower than DeepSeek V4's, and DeepSeek V4's output price is 1.4x lower than Claude Haiku 4.5's. DeepSeek V4-Flash lists even lower, at $0.14 / $0.28 per 1M tokens.
- Context. DeepSeek V4's context window (1,000,000 tokens (both tiers)) is about 5x the size of Claude Haiku 4.5's (200,000 tokens).
- Access. DeepSeek V4 publishes open weights (MIT licence), so it can be self-hosted; Claude Haiku 4.5 is proprietary and available only through hosted APIs and apps.
- Benchmarks. The two model pages report results on different benchmark suites, so the published scores are not directly comparable head-to-head; the tables below list each model's own published figures.
Key takeaway
Everything above is drawn from the two models' published rate cards and spec sheets. Which one fits depends on the workload you price it against — run your own token volumes through the pricing calculator to see the monthly difference.
Full Claude Haiku 4.5 overview Full DeepSeek V4 overview
Frequently asked questions
Which is cheaper, Claude Haiku 4.5 or DeepSeek V4?
On the published rate cards the two are priced identically on the axes compared here; check each model page for tier details.
Which has the bigger context window, Claude Haiku 4.5 or DeepSeek V4?
DeepSeek V4 — 1,000,000 tokens (both tiers), versus 200,000 tokens for Claude Haiku 4.5.
Which model is newer?
DeepSeek V4 is the more recent release (24 April 2026); Claude Haiku 4.5 was released 15 October 2025.
Can I run Claude Haiku 4.5 or DeepSeek V4 locally?
Only DeepSeek V4 — it publishes open weights under the MIT licence. Claude Haiku 4.5 is proprietary and only available via hosted APIs and apps.
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