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DeepSeek V4.1 Flash (1017)

HOT

Multimodal MoE (552B, 8B active on input) with 1M context and native image input; 1017 checkpoint released by DeepSeek on 2026-10-17, with stronger agentic coding and shorter outputs. Ahead of V4 Pro on agentic benchmarks at a fraction of the price. Supports extended thinking modes, JSON output, and function calling.

1M context·$0.30 in·$1.20 out·Sep 2026 release·Vision, Reasoning, Tools / functions

Providers

Where DeepSeek V4.1 Flash (1017) runs in Big-AGI, with each service's own model ID and USD-per-1M-token rates. The summary above prefers the creator's claim; rates below are each service's own.

ServiceModel IDContextInputOutputCache read

DeepSeek

creator

deepseek-flash

1M

$0.30

$1.20

$0.01

deepseek/deepseek-v4.1-flash

1M

$0.05

$0.50

$0.01

deepseek-ai/DeepSeek-V4.1-Flash

1M

$0.30

$1.20

$0.01

deepseek-ai/deepseek-v4.1-flash

1M

Free

Free

-

deepseek-v4.1-flash

1M

$0.30

$1.20

$0.03

Usage mix in Big-AGI: DeepSeek 93% · OpenRouter 7%Specs as reported by each service · usage over the last 2 days · refreshed hourly

Run DeepSeek V4.1 Flash (1017) in Big-AGI.

Connect your own key on any of the services above, at their rates, no markup - and run it side by side with every other model.

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