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o3-mini vs DeepSeek V4.1 Flash 1017

At a glance

Cost-efficient reasoning model for STEM tasks.

200K ctx$1.10/$4.40 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
Cheaper86%
Specs
200K
Context
100K
Max output
Jan 2025
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$1.10/M tokens
Output$4.40/M tokens
Cache read$0.55/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input86%$0.15/M tokens
Output86%$0.60/M tokens
Cache read99%$0.003/M tokens
Chat with o3-miniGo to model
Chat with DeepSeek V4.1 Flash 1017Go to model
Frequently Asked Questions: o3-mini vs DeepSeek V4.1 Flash 1017▼

Which is better, o3-mini or DeepSeek V4.1 Flash 1017?

▼

Both o3-mini 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, o3-mini or DeepSeek V4.1 Flash 1017?

▼

DeepSeek V4.1 Flash 1017 has a lower blended cost. o3-mini: $1.10 input / $4.40 output. DeepSeek V4.1 Flash 1017: $0.15 input / $0.60 output.

Which has a larger context window, o3-mini or DeepSeek V4.1 Flash 1017?

▼

DeepSeek V4.1 Flash 1017 has a larger context window: o3-mini supports 200K tokens vs DeepSeek V4.1 Flash 1017 at 1M tokens.

Do both o3-mini and DeepSeek V4.1 Flash 1017 support vision?

▼

DeepSeek V4.1 Flash 1017 supports vision/image input, but o3-mini does not.

What are the key differences between o3-mini 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 o3-mini and DeepSeek V4.1 Flash 1017 for free on idapt.app to see which performs better for your specific needs.

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