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Hunyuan 4 Preview vs DeepSeek V4 Flash

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

Efficiency-optimized DeepSeek V4 at 284B total / 13B active for fast, high-throughput inference.

1.0M ctx$0.09/$0.19 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
Cheaper91%
Specs
1.0M
Context
64K
Max output
Aug 2026
Released
1.0M
Context
16K
Max output
Apr 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
Input89%$0.09/M tokens
Output92%$0.19/M tokens
Cache read55%$0.02/M tokens
Chat with Hunyuan 4 PreviewGo to model
Chat with DeepSeek V4 FlashGo to model
Frequently Asked Questions: Hunyuan 4 Preview vs DeepSeek V4 Flash▼

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

▼

Both Hunyuan 4 Preview and DeepSeek V4 Flash 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 Flash?

▼

DeepSeek V4 Flash has a lower blended cost. Hunyuan 4 Preview: $0.83 input / $2.50 output. DeepSeek V4 Flash: $0.09 input / $0.19 output.

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

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

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

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Key differences: DeepSeek V4 Flash is significantly cheaper. 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 Flash for free on idapt.app to see which performs better for your specific needs.

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