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OpenAI: o4 Mini High vs DeepSeek: DeepSeek V3.1 Terminus

Head-to-head API cost, context, and performance comparison. Synced at 2:31:55 PM.

Executive Summary

When evaluating OpenAI: o4 Mini High against DeepSeek: DeepSeek V3.1 Terminus, the pricing structure is a key differentiator. DeepSeek: DeepSeek V3.1 Terminus is approximately 82% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, DeepSeek: DeepSeek V3.1 Terminus leads with a statistical ELO score of 1441. For tasks involving complex logic, coding, or instruction-following, developers might prefer DeepSeek: DeepSeek V3.1 Terminus, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
OpenAI: o4 Mini High
DeepSeek: DeepSeek V3.1 Terminus
Performance (ELO)
1441
1441
Input Cost / 1M
$1.10
$0.21
Output Cost / 1M
$4.40
$0.79
Context Window
200,000 tokens
163,840 tokens

Verdict

If you are looking for pure performance and capability, Tie is statistically superior. However, if API burn rate is the primary concern, DeepSeek: DeepSeek V3.1 Terminus wins out aggressively in pricing.

People Also Ask

Is OpenAI: o4 Mini High cheaper than DeepSeek: DeepSeek V3.1 Terminus?

No. DeepSeek: DeepSeek V3.1 Terminus is the more cost-effective model, operating at a lower price point per 1 million tokens.

Which model has the larger context window?

The OpenAI: o4 Mini High model has the advantage in memory, offering a massive 200,000 token limit for document ingestion.

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