Claude Sonnet 4.6 vs DeepSeek V3 0324
Direct comparison between anthropic and deepseek for chat models. Specs, prices, strengths, weaknesses — decide on facts.
At a glance
- · Cheaper: DeepSeek V3 0324
- · Longer context window: Claude Sonnet 4.6 at 200,000 tokens
- · Claude Sonnet 4.6: Best-in-class for code refactoring and multi-step pull requests
- · DeepSeek V3 0324: One of the cheapest models with serious coding quality
Spec comparison
| Spec | Claude Sonnet 4.6 | DeepSeek V3 0324 |
|---|---|---|
| Provider | anthropic | deepseek |
| Input per 1M tokens | $3.00 / 1M | $0.27 / 1M |
| Output per 1M tokens | $15.00 / 1M | $1.12 / 1M |
| Context window | 200,000 tok | 128,000 tok |
| Max output | 64,000 tok | 8,192 tok |
| Knowledge cutoff | 2025-07 | — |
| Vision | ||
| Tool calling | ||
| JSON mode | ||
| Structured output | ||
| Reasoning |
Claude Sonnet 4.6 — strengths
- +Best-in-class for code refactoring and multi-step pull requests
- +Very stable tool-use loops — low hallucination on arguments
- +64k output tokens fit whole files in one response
DeepSeek V3 0324 — strengths
- +One of the cheapest models with serious coding quality
- +MoE architecture — low active parameters per token
- +Solid on math, comparable to western mid-tier models
Claude Sonnet 4.6 — weaknesses
- −Knowledge cutoff July 2025 — no recent web knowledge
- −No native JSON mode — schema enforcement via tool-call trick
DeepSeek V3 0324 — weaknesses
- −Compliance concerns for some EU/US enterprise contexts
- −Knowledge cutoff stronger on Chinese sources than western ones