DeepSeek V4.1 Flash 1017

DeepSeek's October 2026 update of V4.1 Flash, with native vision, 1M context, and reasoning.

deepseek-v4.1-flash-1017
STABLEGet StartedLive uptime & insights
1,050,000 context
Released October 17, 2026
Starting at $0.15/M input tokens
Starting at $0.60/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
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Select Provider

All Providers for DeepSeek V4.1 Flash 1017

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

Context: 1.1M
Time-based pricing
Input
$0.3
/M tokens
Cache Read
$0.006
/M tokens
Output
$1.2
/M tokens

Peak: Monday–Friday, 01:00–04:00 and 06:00–10:00 UTC.

Off-peak: Monday–Friday outside those hours, plus all day Saturday and Sunday UTC.

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Frequently asked questions

What is DeepSeek V4.1 Flash 1017?

DeepSeek's October 2026 update of V4.1 Flash, with native vision, 1M context, and reasoning. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does DeepSeek V4.1 Flash 1017 cost?

Pricing for DeepSeek V4.1 Flash 1017 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.

What is the context length of DeepSeek V4.1 Flash 1017?

DeepSeek V4.1 Flash 1017 supports a context window of up to 1,050,000 tokens on its largest provider deployment.

Which providers serve DeepSeek V4.1 Flash 1017?

DeepSeek V4.1 Flash 1017 is served by DeepSeek through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does DeepSeek V4.1 Flash 1017 support tool calling and structured outputs?

DeepSeek V4.1 Flash 1017 supports tool (function) calling and soft JSON output, but NOT strict JSON output schema (its upstream provider does not enforce it).

When was DeepSeek V4.1 Flash 1017 released?

DeepSeek V4.1 Flash 1017 was released on October 17, 2026.