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Qwen2.5 72B vs DeepSeek V4.1 Flash 1017

At a glance

Large 72B model from the Qwen 2.5 generation.

6333K ctx$0.36/$0.40 per M#65/92

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
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-10-02
Capability
CapabilityECI62.8
Reasoning & Knowledge
Graduate Science49.1%
Math
Math Problems63.2%Competition Math8.1%
Agentic
Task Horizon5min
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper29%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—
Math
Math Problems—Competition Math—
Agentic
Task Horizon—
Specs
33K
Context
16K
Max output
Sep 2024
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$0.36/M tokens
Output33%$0.40/M tokens
Live pricing, shown before you run
Input58%$0.15/M tokens
Output$0.60/M tokens
Cache read$0.003/M tokens
Chat with Qwen2.5 72BGo to model
Chat with DeepSeek V4.1 Flash 1017Go to model
Frequently Asked Questions: Qwen2.5 72B vs DeepSeek V4.1 Flash 1017▼

Which is better, Qwen2.5 72B or DeepSeek V4.1 Flash 1017?

▼

Both Qwen2.5 72B 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, Qwen2.5 72B or DeepSeek V4.1 Flash 1017?

▼

DeepSeek V4.1 Flash 1017 has a lower blended cost. Qwen2.5 72B: $0.36 input / $0.40 output. DeepSeek V4.1 Flash 1017: $0.15 input / $0.60 output.

Which has a larger context window, Qwen2.5 72B or DeepSeek V4.1 Flash 1017?

▼

DeepSeek V4.1 Flash 1017 has a larger context window: Qwen2.5 72B supports 33K tokens vs DeepSeek V4.1 Flash 1017 at 1M tokens.

Do both Qwen2.5 72B and DeepSeek V4.1 Flash 1017 support vision?

▼

DeepSeek V4.1 Flash 1017 supports vision/image input, but Qwen2.5 72B does not.

What are the key differences between Qwen2.5 72B 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; only DeepSeek V4.1 Flash 1017 offers extended reasoning mode. 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 Qwen2.5 72B and DeepSeek V4.1 Flash 1017 for free on idapt.app to see which performs better for your specific needs.

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