# DeepSeek V4.1 Flash

Model tracker · checked 2026-10-14 · https://dbggr.dev/models/deepseek-v4-1-flash/

DeepSeek V4.1 Flash is a fast open-weight model from DeepSeek, released 10 September 2026. At DeepSeek it costs $0.30 per million input tokens and $1.20 per million output tokens, with a 1M-token context window. 7 providers serve it; the cheapest is Baseten at $0.30 input and $1.20 output.

- Made by: DeepSeek
- Released: 2026-09-10
- Status: Generally available
- Tier: Fast
- Weights: Open
- Context window: 1,000,000 tokens
- Max output: 384,000 tokens
- Input: text, image
- API id: deepseek-flash
- Docs: https://api-docs.deepseek.com/quick_start/pricing

## DeepSeek V4.1 Flash price at 7 providers

US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on. The cheapest blended price is highlighted.

| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| Baseten | $0.30 | $1.20 | $0.007 | $0.525 | – | [2026-10-14](https://www.baseten.co/pricing/) |
| DeepSeek | $0.30 | $1.20 | $0.006 | $0.525 | – | [2026-10-14](https://api-docs.deepseek.com/quick_start/pricing) |
| Fireworks AI | $0.30 | $1.20 | $0.006 | $0.525 | 50% off | [2026-10-14](https://docs.fireworks.ai/serverless/pricing) |
| Modal Labs | $0.30 | $1.20 | $0.03 | $0.525 | – | [2026-10-14](https://modal.com/library/deepseek/deepseek-v4-1-flash) |
| Nebius Group N.V. | $0.30 | $1.20 | – | $0.525 | – | [2026-10-14](https://tokenfactory.nebius.com/model-catalog.md) |
| Novita AI | $0.30 | $1.20 | $0.006 | $0.525 | – | [2026-10-14](https://novita.ai/pricing) |
| Together AI | $0.30 | $1.20 | $0.006 | $0.525 | – | [2026-10-14](https://www.together.ai/pricing) |

- DeepSeek: Peak rate (01:00-04:00 and 06:00-10:00 UTC on weekdays). Off-peak rates, all other hours and weekends, are half.
- Fireworks AI: US-hosted variant: $0.45 / $1.80. Priority tier: $0.375 / $1.50.
- Modal Labs: Modal Shared Endpoint, billed per token from us-west; plan credits can't be used for Shared Endpoint usage.
- Nebius Group N.V.: Nebius Token Factory publishes no cached-input or batch price for this model.

## DeepSeek V4.1 Flash benchmarks

| Benchmark | Score | What it measures | Reported by |
|---|---|---|---|
| LMArena text score | 1474 | Elo-style score from people voting between answers | [Independent](https://arena.ai/leaderboard/text) |

Scores reported by a model's maker aren't independently checked.

## Models like DeepSeek V4.1 Flash

| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| DeepSeek V4.1 Flash | $0.30 | $1.20 | 1M | Open |
| [Gemini 3.1 Flash-Lite](https://dbggr.dev/models/gemini-3-1-flash-lite/) | $0.25 | $1.50 | 1M | Closed |
| [GLM-5.3 FlashX](https://dbggr.dev/models/glm-5-3-flashx/) | $0.37 | $1.25 | 1M | Open |
| [Step 3.7 Flash](https://dbggr.dev/models/step-3-7-flash/) | $0.20 | $1.15 | 256K | Open |
| [Muse Glimmer 30B](https://dbggr.dev/models/muse-glimmer-30b/) | $0.35 | $1.50 | 131K | Open |
| [Qwen3.6 35B A3B](https://dbggr.dev/models/qwen3-6-35b-a3b/) | $0.375 | $2.25 | 256K | Open |

## FAQ

### How much does DeepSeek V4.1 Flash cost?

DeepSeek V4.1 Flash costs $0.30 per million input tokens and $1.20 per million output tokens at DeepSeek, and $0.006 per million cached input tokens. Prices are list prices in US dollars, last checked 14 October 2026.

### What is DeepSeek V4.1 Flash's context window?

DeepSeek V4.1 Flash takes up to 1,000,000 tokens in one request and writes up to 384,000 tokens in one response.

### Is DeepSeek V4.1 Flash open weight?

Yes. DeepSeek publishes the weights, so you can run DeepSeek V4.1 Flash yourself or at any host that serves it.

### Where can I use DeepSeek V4.1 Flash?

DeepSeek V4.1 Flash is available from Baseten, DeepSeek, Fireworks AI, Modal Labs, Nebius Group N.V., Novita AI and Together AI. At DeepSeek, call it as `deepseek-flash`.