token.app › Compare › R1 vs DeepSeek V4 Flash 0731
R1 vs DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 leads on 2 of 2 shared benchmarks. DeepSeek V4 Flash 0731 is 10× 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 | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Provider | DeepSeek | DeepSeek |
| Input $/1M | $0.700 | $0.090 |
| Output $/1M | $2.50 | $0.180 |
| Blended $/1M | $1.15 | $0.113 |
| Context window | 164K | 1.0M |
| Max output | 16K | 384K |
| Released | Jan 2025 | Jul 2026 |
| Licence | Open weights | Open weights |
| GPQA Diamond | 71.7% | 91.0% |
| OTIS Mock AIME | 53.3% | 94.4% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose R1 if…
- No clear advantage on the data we hold.
Choose DeepSeek V4 Flash 0731 if…
- Costs less per token — $0.113 vs $1.15 blended
- Higher GPQA Diamond (91.0% vs 71.7%)
- Higher OTIS Mock AIME (94.4% vs 53.3%)
- Larger context window (1.0M)
- Newer model (released Jul 2026)
FAQ
Which is better, R1 or DeepSeek V4 Flash 0731?
Across the 2 benchmarks both models have independently-run scores for, R1 leads on 0 and DeepSeek V4 Flash 0731 leads on 2. Benchmarks are one input — price and context window are on this page too.
Is R1 cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $1.15 per million tokens blended at 3:1 input:output. Input alone: $0.700 vs $0.090. Output alone: $2.50 vs $0.180.
What context windows do R1 and DeepSeek V4 Flash 0731 have?
R1: 163,840 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes R1 and DeepSeek V4 Flash 0731?
R1 is made by DeepSeek. DeepSeek V4 Flash 0731 is made by DeepSeek.