Claude Sonnet 4.6 vs DeepSeek R1
Complete pricing and performance comparison between Anthropic's Claude Sonnet 4.6 and DeepSeek's DeepSeek R1.
Quick Verdict
Cheaper
DeepSeek R1
2.2x cheaper input, 2.8x cheaper output
Larger Context
Claude Sonnet 4.6
200K vs 128K
Higher Quality
Claude Sonnet 4.6
Score: 44 vs 27
Pricing Comparison
| Spec | Claude Sonnet 4.6 | DeepSeek R1 | Difference |
|---|---|---|---|
| Provider | Anthropic | DeepSeek | |
| Input / 1M tokens | $3 | $1.35 | DeepSeek R1 is 55% more expensive |
| Output / 1M tokens | $15 | $5.4 | DeepSeek R1 is 64% more expensive |
| Context Window | 200K | 128K | 2x difference |
| Max Output | 64K | 33K |
Performance Benchmarks
| Metric | Claude Sonnet 4.6 | DeepSeek R1 | Winner |
|---|---|---|---|
| Quality Index | 44 | 27 | Claude Sonnet 4.6 |
| Output Speed | 54 tok/s | -- | N/A |
| Time to First Token | 1.17s | 0.00s | DeepSeek R1 |
| Value (Quality/$) | 14.8 | 20.1 | Higher = better value |
Benchmark data from Artificial Analysis. Quality Index is a composite score across reasoning, coding, and knowledge tasks.
Cost at Scale
Estimated cost at different usage levels (3:1 input-to-output token ratio, typical for chat).
| Usage | Claude Sonnet 4.6 | DeepSeek R1 | Savings |
|---|---|---|---|
Single request 1K in / 300 out | $0.0075 | $0.0030 | DeepSeek R1 saves $0.0045 |
10 requests 10K in / 3K out | $0.075 | $0.030 | DeepSeek R1 saves $0.045 |
100 requests 100K in / 30K out | $0.750 | $0.297 | DeepSeek R1 saves $0.453 |
1,000 requests 1M in / 300K out | $7.50 | $2.97 | DeepSeek R1 saves $4.53 |
10,000 requests 10M in / 3M out | $75.00 | $29.70 | DeepSeek R1 saves $45.30 |
1M requests/mo 1B in / 300M out | $7500.00 | $2970.00 | DeepSeek R1 saves $4530.00 |
Pros & Cons
Claude Sonnet 4.6 Strengths
- +Larger context window (200K vs 128K)
- +Higher max output tokens
- +Higher quality score (44 vs 27)
DeepSeek R1 Strengths
- +Cheaper input tokens
- +Cheaper output tokens
When to Use Each Model
Choose Claude Sonnet 4.6 for
- →Long documents, large codebases, or multi-turn conversations
- →Generating long-form content or detailed code
- →Tasks requiring maximum accuracy and reasoning
Choose DeepSeek R1 for
- →Budget-conscious projects where cost is the primary factor
Frequently Asked Questions
Which is cheaper, Claude Sonnet 4.6 or DeepSeek R1?
For input tokens, DeepSeek R1 is 2.2x cheaper at $1.35/1M tokens. For output tokens, DeepSeek R1 is 2.8x cheaper at $5.4/1M tokens. At typical usage (1M input + 300K output), Claude Sonnet 4.6 costs $7.50 vs DeepSeek R1 at $2.97.
What's the context window difference?
Claude Sonnet 4.6 supports 200K context (200,000 tokens), while DeepSeek R1 supports 128K (128,000 tokens). Claude Sonnet 4.6 can handle 2x more context in a single request.
Which model has better benchmarks?
Quality Index: Claude Sonnet 4.6 scores 44 vs DeepSeek R1 at 27.
When should I choose Claude Sonnet 4.6 over DeepSeek R1?
Choose Claude Sonnet 4.6 when you need: Larger context window (200K vs 128K), Higher max output tokens, Higher quality score (44 vs 27). Choose DeepSeek R1 when you need: Cheaper input tokens, Cheaper output tokens.
How much would 10,000 API requests cost?
At 1K input + 300 output tokens per request (typical chat): Claude Sonnet 4.6 = $75.00, DeepSeek R1 = $29.70. At 10K input + 1K output per request (longer conversations): Claude Sonnet 4.6 = $450.00, DeepSeek R1 = $189.00.
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