token.app › Compare › R1 0528 vs DeepSeek V4 Flash 0731
R1 0528 vs DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 is 8.1× cheaper per token on a blended 3:1 basis. DeepSeek V4 Flash 0731 accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| R1 0528 | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Provider | DeepSeek | DeepSeek |
| Input $/1M | $0.500 | $0.090 |
| Output $/1M | $2.15 | $0.180 |
| Blended $/1M | $0.912 | $0.113 |
| Context window | 164K | 1.0M |
| Max output | 33K | 384K |
| Released | May 2025 | Jul 2026 |
| Licence | Open weights | Open weights |
Choose R1 0528 if…
- No clear advantage on the data we hold.
Choose DeepSeek V4 Flash 0731 if…
- Costs less per token — $0.113 vs $0.912 blended
- Larger context window (1.0M)
- Newer model (released Jul 2026)
FAQ
Which is better, R1 0528 or DeepSeek V4 Flash 0731?
We do not hold independently-run benchmark scores covering both R1 0528 and DeepSeek V4 Flash 0731, so we make no quality claim. Their pricing and specifications are compared on this page.
Is R1 0528 cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $0.912 per million tokens blended at 3:1 input:output. Input alone: $0.500 vs $0.090. Output alone: $2.15 vs $0.180.
What context windows do R1 0528 and DeepSeek V4 Flash 0731 have?
R1 0528: 163,840 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes R1 0528 and DeepSeek V4 Flash 0731?
R1 0528 is made by DeepSeek. DeepSeek V4 Flash 0731 is made by DeepSeek.