DeepSeek V4.1 Flash
By DeepSeek · released 2026-09-10 (6 weeks) · 2 effort levels
Missed the frontier at launchOff the frontier todayopen weights
- Intelligence index
- 24.70–39.50
- Cost to run the AA index
- $239–$672
- Price per 1M tokens (in / out)
- $0.29–$0.30 / $1.20
Today
Where DeepSeek V4.1 Flash stands on the 2026-10-24 frontier
No measured level is on the frontier today.
| Level | Input modalities | Intelligence | Cost | E2E | Today | Matchup |
|---|---|---|---|---|---|---|
| DeepSeek V4.1 Flash (Non-reasoning) | Text, Image | 24.70 | $239 | 2.61s | beaten by MiMo-V2.6-Pro | Compare |
| DeepSeek V4.1 Flash (Max) | Text, Image | 39.50 | $672 | 14.9s | beaten by GPT-6.1 Sol (Xhigh) | Compare |
DeepSeek V4.1 Flash effort levelsToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
Launch day
What DeepSeek V4.1 Flash did to the frontier on 2026-09-10
Missed the frontier at launch
No level beat the existing frontier on both axes.
Reached the frontier0 of 2
Impact (hypervolume gained)0
Rank, past year's releases—
Smartest level39.50
Cheapest level$239
Reached the frontierMissed itDisplaced from the old frontierFrontier the day beforeFrontier after the releaseRegion gained (impact)
Missed the frontier
| Level | Intelligence | Cost | Beaten by | Intel gap | Cost ratio |
|---|---|---|---|---|---|
| DeepSeek V4.1 Flash (Non-reasoning) | 24.70 | $239 | GPT-5.6 Luna (Medium) | −0.3 | 5.39× |
| DeepSeek V4.1 Flash (Max) | 39.50 | $672 | GLM-5.3-Flash | −2.3 | 2.20× |
Agents:
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