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DeepSeek V4 Pro (0813) vs DeepSeek V4.1 Flash 1017

At a glance

The GA release of DeepSeek's open 1.6T-parameter MoE flagship for advanced reasoning and long-horizon agents.

1.0M ctx$0.66/$1.98 per M

DeepSeek's October 2026 checkpoint of the V4.1 Flash workhorse, refreshed for stronger agentic coding with shorter, faster answers.

1.0M ctx$0.15/$0.60 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Graduate Science91.7%Factual Recall52.9%
Math
Competition Math98.6%
Agentic
Novel Reasoning61.3%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper73%
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Agentic
Novel Reasoning—
Specs
1.0M
Context
256K
Max output
Aug 2026
Released
1.0M
Context
256K
Max output
Oct 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$0.66/M tokens
Output$1.98/M tokens
Cache read$0.02/M tokens
Live pricing, shown before you run
Input77%$0.15/M tokens
Output70%$0.60/M tokens
Cache read86%$0.003/M tokens
Chat with DeepSeek V4 Pro (0813)Go to model
Chat with DeepSeek V4.1 Flash 1017Go to model
Frequently Asked Questions: DeepSeek V4 Pro (0813) vs DeepSeek V4.1 Flash 1017▼

Which is better, DeepSeek V4 Pro (0813) or DeepSeek V4.1 Flash 1017?

▼

Both DeepSeek V4 Pro (0813) and DeepSeek V4.1 Flash 1017 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, DeepSeek V4 Pro (0813) or DeepSeek V4.1 Flash 1017?

▼

DeepSeek V4.1 Flash 1017 has a lower blended cost. DeepSeek V4 Pro (0813): $0.66 input / $1.98 output. DeepSeek V4.1 Flash 1017: $0.15 input / $0.60 output.

Which has a larger context window, DeepSeek V4 Pro (0813) or DeepSeek V4.1 Flash 1017?

▼

DeepSeek V4 Pro (0813) has a larger context window: DeepSeek V4 Pro (0813) supports 1M tokens vs DeepSeek V4.1 Flash 1017 at 1M tokens.

Do both DeepSeek V4 Pro (0813) and DeepSeek V4.1 Flash 1017 support vision?

▼

DeepSeek V4.1 Flash 1017 supports vision/image input, but DeepSeek V4 Pro (0813) does not.

What are the key differences between DeepSeek V4 Pro (0813) and DeepSeek V4.1 Flash 1017?

▼

Key differences: DeepSeek V4.1 Flash 1017 is significantly cheaper; only DeepSeek V4.1 Flash 1017 supports vision input. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both DeepSeek V4 Pro (0813) and DeepSeek V4.1 Flash 1017 for free on idapt.app to see which performs better for your specific needs.

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