Claude Sonnet 4.6 vs DeepSeek Reasoner
| Claude Sonnet 4.6 | DeepSeek Reasoner | |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Context Window | 200,000 | 128,000 |
| Release Date | — | 2025-03-24 |
| Input Price | $3.00/ 1M tokens | $0.55/ 1M tokens |
| Output Price | $15.00/ 1M tokens | $2.19/ 1M tokens |
| Best for | reasoning · coding · analysis · tool use | mathematics · logic · coding · complex QA |
Capabilities
| Claude Sonnet 4.6 | DeepSeek Reasoner | |
|---|---|---|
| Vision | ✓ | ✗ |
| Reasoning | ✓ | ✓ |
| Coding | ✓ | ✓ |
| Audio | ✗ | ✗ |
| Tools | ✓ | ✓ |
| Long Context | ✓ | ✗ |
Ranking Comparison
| Claude Sonnet 4.6 | DeepSeek Reasoner | |
|---|---|---|
| Overall | 47.1 | 79.6 |
| Benchmark | 0 | 89.3 |
| Capability | 85.7 | 42.9 |
| Price Efficiency | 100 | 100 |
| Context | 100 | 64 |
Overall = Benchmark 50% + Capability 20% + Price Efficiency 20% + Context 10%.
Benchmark Comparison
| Claude Sonnet 4.6 | DeepSeek Reasoner | |
|---|---|---|
| Coding | — | — |
| Reasoning | — | — |
| Math | — | — |
| Vision | — | — |
Price History
Claude Sonnet 4.6
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $3.00 | $15.00 |
/ 1M tokens
DeepSeek Reasoner
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $0.55 | $2.19 |
/ 1M tokens
Claude Sonnet 4.6
Anthropic's balanced frontier model with strong reasoning and cost efficiency.
DeepSeek Reasoner
DeepSeek's reasoning model (R1 series) with strong math and logic.
Frequently Asked Questions
Which model is better: Claude Sonnet 4.6 or DeepSeek Reasoner?
Based on overall scores, DeepSeek Reasoner ranks higher (79.6 vs 47.1). See the comparison table for a full breakdown.
Which model is cheaper: Claude Sonnet 4.6 or DeepSeek Reasoner?
DeepSeek Reasoner is cheaper: $0.55 vs $3 per 1M input tokens.
What are the capability differences between Claude Sonnet 4.6 and DeepSeek Reasoner?
Claude Sonnet 4.6: Vision, Long Context