token.app › Compare › Claude Sonnet 5 vs DeepSeek V4 Flash Latest
Claude Sonnet 5 vs DeepSeek V4 Flash Latest
DeepSeek V4 Flash Latest is 36× cheaper per token on a blended 3:1 basis. DeepSeek V4 Flash Latest accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| Claude Sonnet 5 | DeepSeek V4 Flash Latest | |
|---|---|---|
| Provider | Anthropic | ~deepseek |
| Input $/1M | $2.00 | $0.090 |
| Output $/1M | $10.00 | $0.180 |
| Blended $/1M | $4.00 | $0.113 |
| Context window | 1M | 1.0M |
| Max output | 128K | 384K |
| Released | Jun 2026 | Aug 2026 |
| Licence | Proprietary | Proprietary |
Choose Claude Sonnet 5 if…
- No clear advantage on the data we hold.
Choose DeepSeek V4 Flash Latest if…
- Costs less per token — $0.113 vs $4.00 blended
- Larger context window (1.0M)
- Newer model (released Aug 2026)
FAQ
Which is better, Claude Sonnet 5 or DeepSeek V4 Flash Latest?
We do not hold independently-run benchmark scores covering both Claude Sonnet 5 and DeepSeek V4 Flash Latest, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Sonnet 5 cheaper than DeepSeek V4 Flash Latest?
DeepSeek V4 Flash Latest is cheaper: $0.113 versus $4.00 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.090. Output alone: $10.00 vs $0.180.
What context windows do Claude Sonnet 5 and DeepSeek V4 Flash Latest have?
Claude Sonnet 5: 1,000,000 tokens. DeepSeek V4 Flash Latest: 1,048,576 tokens.
Who makes Claude Sonnet 5 and DeepSeek V4 Flash Latest?
Claude Sonnet 5 is made by Anthropic. DeepSeek V4 Flash Latest is made by ~deepseek.