Side by side
DeepSeek V4 Flash 0731 vs DeepSeek V4.1 Flash (batch)
Source: OpenRouter (live)
Live figures
The numbers
Best value in each row is highlighted. “Not declared” means the provider does not advertise the feature on its listing.
| Attribute | ||
|---|---|---|
| Input priceUSD per 1M tokens | $0.03 (best) | $0.11 |
| Output priceUSD per 1M tokens | $0.32 (best) | $0.34 |
| Blended price75% in / 25% out | $0.10 (best) | $0.17 |
| Vs. market median | 88% cheaper | 80% cheaper |
| Value rankcheapest = 1 | #39 (best) | #75 |
| Context windowtokens | 1.3M (best) | 1.0M |
| Max outputtokens | 944K (best) | 131K |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Tool calling | Declared | Declared |
| Reasoning | Declared | Declared |
| Structured output | Declared | Declared |
| Listed on OpenRouter | 2026-07-31 | 2026-09-10 (best) |
Blended price assumes a 3:1 input-to-output token mix. Median is across all 431 priced models.
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At your volume
Estimate the monthly bill for these models at your own token volumes.
| Model | Input | Output | Monthly | Yearly | vs cheapest | |
|---|---|---|---|---|---|---|
| DeepSeek: DeepSeek V4 Flash 0731 DeepSeek · $0.030 in / $0.320 out per M | $1.50 | $4.80 | $6.30 | $76 | Cheapest | |
| DeepSeek: DeepSeek V4.1 Flash (batch) DeepSeek · $0.112 in / $0.336 out per M | $5.60 | $5.04 | $11 | $128 | +$4.34 (1.7×) |
Estimates use list prices per million tokens from live provider listings. Cached-input, batch and volume discounts are not included, so real bills are often lower.
Read-out
What the numbers say
- DeepSeek: DeepSeek V4 Flash 0731 is the cheapest here at $0.10/M blended; DeepSeek: DeepSeek V4.1 Flash (batch) costs 1.6× as much.
- DeepSeek: DeepSeek V4 Flash 0731 offers the largest context window (1.3M tokens) versus 1.0M for DeepSeek: DeepSeek V4.1 Flash (batch).
Models
Model pages
Full pricing history, capabilities and alternatives for each model in this comparison.
DeepSeek: DeepSeek V4 Flash 0731
DeepSeek
$0.103
/M blended
$0.168
/M blended
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