token.app › Compare › Claude Sonnet 5.5 (batch) vs DeepSeek V4.1 Flash 1017
Claude Sonnet 5.5 (batch) vs DeepSeek V4.1 Flash 1017
DeepSeek V4.1 Flash 1017 is 7.6× cheaper per token on a blended 3:1 basis. DeepSeek V4.1 Flash 1017 accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| Claude Sonnet 5.5 (batch) | DeepSeek V4.1 Flash 1017 | |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Input $/1M | $1.00 | $0.150 |
| Output $/1M | $5.00 | $0.600 |
| Blended $/1M | $2.00 | $0.262 |
| Context window | 1M | 1.0M |
| Max output | 128K | 393K |
| Released | Sep 2026 | Oct 2026 |
| Licence | Proprietary | Open weights |
Choose Claude Sonnet 5.5 (batch) if…
- No clear advantage on the data we hold.
Choose DeepSeek V4.1 Flash 1017 if…
- Costs less per token — $0.262 vs $2.00 blended
- Larger context window (1.0M)
- Open weights — self-hostable
- Newer model (released Oct 2026)
FAQ
Which is better, Claude Sonnet 5.5 (batch) or DeepSeek V4.1 Flash 1017?
We do not hold independently-run benchmark scores covering both Claude Sonnet 5.5 (batch) and DeepSeek V4.1 Flash 1017, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Sonnet 5.5 (batch) cheaper than DeepSeek V4.1 Flash 1017?
DeepSeek V4.1 Flash 1017 is cheaper: $0.262 versus $2.00 per million tokens blended at 3:1 input:output. Input alone: $1.00 vs $0.150. Output alone: $5.00 vs $0.600.
What context windows do Claude Sonnet 5.5 (batch) and DeepSeek V4.1 Flash 1017 have?
Claude Sonnet 5.5 (batch): 1,000,000 tokens. DeepSeek V4.1 Flash 1017: 1,048,576 tokens.
Who makes Claude Sonnet 5.5 (batch) and DeepSeek V4.1 Flash 1017?
Claude Sonnet 5.5 (batch) is made by Anthropic. DeepSeek V4.1 Flash 1017 is made by DeepSeek.
Related comparisons
Claude Sonnet 5.5 (batch) full details
DeepSeek V4.1 Flash 1017 full details
Claude Sonnet 5.5 (batch) vs Flint (free)
Claude Sonnet 5.5 (batch) vs MiniMax M3.1 Flash (free)
Claude Sonnet 5.5 (batch) vs Glimpse
Claude Sonnet 5.5 (batch) vs Xing4.0 29B A4B (free)
Claude Sonnet 5.5 (batch) vs Beam 1.0 501B A23B
Claude Sonnet 5.5 (batch) vs Mercury 3