DeepSeek V4.1 Flash API Pricing
DeepSeek · released 2026-09-10
DeepSeek V4.1 Flash price
No official API price published for DeepSeek V4.1 Flash yet.
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 156.5 | epoch | 2026-09-09 |
| Epoch Mock AIME accuracy | 98.3% | epoch | 2026-09-09 |
| Epoch FrontierMath (T1–3) accuracy | 67.4% | epoch | 2026-09-09 |
| Arena text rating | No public data yet | ||
| Arena coding rating (human preference votes, not task accuracy) | No public data yet | ||
| Arena math rating | No public data yet | ||
| Arena WebDev rating | No public data yet | ||
LiveBench
Shown on this model page only — LiveBench data never appears in any leaderboard, comparison table or structured data on this site.
| LiveBench metric | Value | As of |
|---|---|---|
| LiveBench Global Average | 81.1 | 2026-06-25 |
| LiveBench Reasoning | 86.7 | 2026-06-25 |
| LiveBench Coding | 80.0 | 2026-06-25 |
| LiveBench Agentic Coding | 77.3 | 2026-06-25 |
| LiveBench Mathematics | 93.3 | 2026-06-25 |
| LiveBench Data Analysis | 79.3 | 2026-06-25 |
| LiveBench Language | 81.2 | 2026-06-25 |
| LiveBench Instruction Following | 70.0 | 2026-06-25 |
LiveBench leaderboard (livebench.ai, github.com/LiveBench/new-livebench), CC BY-SA 4.0 — livebench.ai · github.com/LiveBench/new-livebench · CC BY-SA 4.0
More from DeepSeek
| Model | Released | Blended $/1M |
|---|---|---|
| DeepSeek V4.1 Flash 1017 | 2026-10-17 | $0.2625 |
| DeepSeek V4 Flash Vision Exp | 2026-08-21 | $0.525 |
| DeepSeek V4 Pro 0813 | 2026-08-13 | $0.99 |
| DeepSeek V4 Flash 0731 | 2026-07-31 | — |
| DeepSeek V4 Pro | 2026-04-24 | $1.98 |
| DeepSeek V4 Flash | 2026-04-24 | $0.525 |
| DeepSeek V4 Pro 0423 | 2026-04-23 | — |
| DeepSeek V4 Flash 0423 | 2026-04-23 | — |
See DeepSeek V4.1 Flash on the leaderboard
Prices: DeepSeek's official list price as recorded by None; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops DeepSeek V4.1 Flash?
DeepSeek V4.1 Flash is developed by DeepSeek, released 2026-09-10.
Is DeepSeek V4.1 Flash's API pricing published?
No — as of the last data sync (2026-11-06), neither models.dev nor LiteLLM has published official API pricing for DeepSeek V4.1 Flash. This page updates automatically once pricing is available.
How does DeepSeek V4.1 Flash rank on benchmarks?
DeepSeek V4.1 Flash scores 156.5 on the Epoch Capabilities Index (ECI), ranking #32 of 107 models we track with a published ECI score.
Which benchmarks is DeepSeek V4.1 Flash scored on?
DeepSeek V4.1 Flash has published results for: Epoch Capabilities Index (ECI); Epoch Mock AIME accuracy; Epoch FrontierMath (T1–3) accuracy. The Benchmarks table on this page shows each score with its source and date.
Where does this data come from?
Pricing for DeepSeek V4.1 Flash comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses); LiveBench scores (below) are CC BY-SA 4.0 — see /data-sources/. Last synced 2026-11-06.