DeepSeek's V4.1 Flash model with native vision, extended context, and reasoning; succeeds V4 Flash and V4 Pro.
LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.
Peak: Monday–Friday, 09:00–12:00 and 14:00–18:00 Beijing time.
Off-peak: Monday–Friday outside those hours, plus all day Saturday and Sunday.
DeepSeek's V4.1 Flash model with native vision, extended context, and reasoning; succeeds V4 Flash and V4 Pro. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for DeepSeek V4.1 Flash on LLM Gateway starts at $0.15 per million input tokens and $0.60 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.
DeepSeek V4.1 Flash supports a context window of up to 1,050,000 tokens on its largest provider deployment.
DeepSeek V4.1 Flash is served by DeepSeek through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
DeepSeek V4.1 Flash supports tool (function) calling and soft JSON output, but NOT strict JSON output schema (its upstream provider does not enforce it).
DeepSeek V4.1 Flash was released on September 10, 2026.