DeepSeek V4.1 Flash Fast
WallyOpen weights
DeepSeek V4.1 Flash Fast by Wally costs $0.60 per 1M input tokens and $2.40 per 1M output tokens, with a 1M-token context window.
Pricing
Input (per 1M tokens)
$0.60
Output (per 1M tokens)
$2.40
Cached input (per 1M)
$0.01
Specifications
- Provider
- Wally
- Context window
- 1M tokens
- Parameters
- —
- Released
- Sep 2026
- Open weights
- Yes
- Frontier model
- No
Speed & latency
Time to first token
0.76s
Output speed
910 tok/s
Fastest host: baseten (via vercel-ai-gateway).
Compare DeepSeek V4.1 Flash Fast with…
FAQ
How much does DeepSeek V4.1 Flash Fast cost?
DeepSeek V4.1 Flash Fast is priced at $0.60 per 1M input tokens and $2.40 per 1M output tokens. Output tokens cost more than input.
What is DeepSeek V4.1 Flash Fast's context window?
DeepSeek V4.1 Flash Fast supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.
Is DeepSeek V4.1 Flash Fast open weight?
Yes — DeepSeek V4.1 Flash Fast has openly available weights.
Data as of 2026-10-31. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.