token.app › Compare › Claude Opus 4.5 vs DeepSeek V4 Flash Latest
Claude Opus 4.5 vs DeepSeek V4 Flash Latest
DeepSeek V4 Flash Latest is 89× 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 Opus 4.5 | DeepSeek V4 Flash Latest | |
|---|---|---|
| Provider | Anthropic | ~deepseek |
| Input $/1M | $5.00 | $0.090 |
| Output $/1M | $25.00 | $0.180 |
| Blended $/1M | $10.00 | $0.113 |
| Context window | 200K | 1.0M |
| Max output | 64K | 384K |
| Released | Nov 2025 | Aug 2026 |
| Licence | Proprietary | Proprietary |
Choose Claude Opus 4.5 if…
- No clear advantage on the data we hold.
Choose DeepSeek V4 Flash Latest if…
- Costs less per token — $0.113 vs $10.00 blended
- Larger context window (1.0M)
- Newer model (released Aug 2026)
FAQ
Which is better, Claude Opus 4.5 or DeepSeek V4 Flash Latest?
We do not hold independently-run benchmark scores covering both Claude Opus 4.5 and DeepSeek V4 Flash Latest, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Opus 4.5 cheaper than DeepSeek V4 Flash Latest?
DeepSeek V4 Flash Latest is cheaper: $0.113 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $5.00 vs $0.090. Output alone: $25.00 vs $0.180.
What context windows do Claude Opus 4.5 and DeepSeek V4 Flash Latest have?
Claude Opus 4.5: 200,000 tokens. DeepSeek V4 Flash Latest: 1,048,576 tokens.
Who makes Claude Opus 4.5 and DeepSeek V4 Flash Latest?
Claude Opus 4.5 is made by Anthropic. DeepSeek V4 Flash Latest is made by ~deepseek.