DeepSeek: DeepSeek V4.1 Flash
DeepSeek
DeepSeek: DeepSeek V4.1 Flash by DeepSeek costs $0.02 per 1M input tokens and $0.89 per 1M output tokens, with a 1M-token context window.
Pricing
Input (per 1M tokens)
$0.02
Output (per 1M tokens)
$0.89
Cached input (per 1M)
$0.01
Specifications
- Provider
- DeepSeek
- Context window
- 1M tokens
- Parameters
- —
- Released
- —
- Open weights
- —
- Frontier model
- No
- Hugging Face
- deepseek-ai/DeepSeek-V4.1-Flash
Benchmarks
- GPQA Diamond
- 89.8
- LMArena Vision Elo
- 1276.6
- LMArena WebDev Elo
- 1618.5
Speed & latency
Time to first token
1.03s
Output speed
369 tok/s
Fastest host: boundless (via vercel-ai-gateway).
Compare DeepSeek: DeepSeek V4.1 Flash with…
DeepSeek: DeepSeek V4.1 Flash vs DeepSeek: DeepSeek Pro Latest$8.00/1MDeepSeek: DeepSeek V4.1 Flash vs DeepSeek: DeepSeek Flash Latest$0.89/1MDeepSeek: DeepSeek V4.1 Flash vs DeepSeek: DeepSeek V4.1 Flash (batch)$0.34/1MDeepSeek: DeepSeek V4.1 Flash vs DeepSeek: DeepSeek V4 Flash Vision Exp$0.60/1MDeepSeek: DeepSeek V4.1 Flash vs DeepSeek: DeepSeek V4 Pro 0813$1.98/1MDeepSeek: DeepSeek V4.1 Flash vs DeepSeek: DeepSeek V4 Flash 0731$0.64/1M
FAQ
How much does DeepSeek: DeepSeek V4.1 Flash cost?
DeepSeek: DeepSeek V4.1 Flash is priced at $0.02 per 1M input tokens and $0.89 per 1M output tokens. Output tokens cost more than input.
What is DeepSeek: DeepSeek V4.1 Flash's context window?
DeepSeek: DeepSeek V4.1 Flash supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.
Is DeepSeek: DeepSeek V4.1 Flash open weight?
Open-weight status for DeepSeek: DeepSeek V4.1 Flash is not recorded in our dataset.
Data as of 2026-10-14. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.