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Hunyuan 4 Preview vs DeepSeek V4.1 Flash 1017

At a glance

Tencent's Hunyuan 4 preview, built for coding agents and complex tool-use workflows.

1.0M ctx$0.83/$2.50 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
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper79%
Specs
1.0M
Context
64K
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$0.83/M tokens
Output$2.50/M tokens
Cache read$0.04/M tokens
Live pricing, shown before you run
Input82%$0.15/M tokens
Output76%$0.60/M tokens
Cache read93%$0.003/M tokens
Chat with Hunyuan 4 PreviewGo to model
Chat with DeepSeek V4.1 Flash 1017Go to model
Frequently Asked Questions: Hunyuan 4 Preview vs DeepSeek V4.1 Flash 1017▼

Which is better, Hunyuan 4 Preview or DeepSeek V4.1 Flash 1017?

▼

Both Hunyuan 4 Preview 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, Hunyuan 4 Preview or DeepSeek V4.1 Flash 1017?

▼

DeepSeek V4.1 Flash 1017 has a lower blended cost. Hunyuan 4 Preview: $0.83 input / $2.50 output. DeepSeek V4.1 Flash 1017: $0.15 input / $0.60 output.

Which has a larger context window, Hunyuan 4 Preview or DeepSeek V4.1 Flash 1017?

▼

Hunyuan 4 Preview has a larger context window: Hunyuan 4 Preview supports 1M tokens vs DeepSeek V4.1 Flash 1017 at 1M tokens.

Do both Hunyuan 4 Preview and DeepSeek V4.1 Flash 1017 support vision?

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DeepSeek V4.1 Flash 1017 supports vision/image input, but Hunyuan 4 Preview does not.

What are the key differences between Hunyuan 4 Preview and DeepSeek V4.1 Flash 1017?

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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 Hunyuan 4 Preview and DeepSeek V4.1 Flash 1017 for free on idapt.app to see which performs better for your specific needs.

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