LLMversus

DeepSeek V2.5 vs o3-mini: Pricing, Benchmarks & Verdict (2026)

Pricing verified Aug 3, 2026By LLMversusUpdated August 8, 2026View methodology

⚡ Quick Answer

Compare DeepSeek V2.5 and o3-mini across pricing, benchmarks, and capabilities.

Updated: August 3, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureDeepSeek V2.5o3-mini
ProviderDeepSeekOpenAI
Input Price / 1M tokens$0.140$1.10
Output Price / 1M tokens$0.280$4.40
Context Window
128K
128K
Max Output Tokens
4,096
65,536
Arena ELO
1,200
1,348
Coding ELO
1,220
1,348
TTFT (ms)
150
350
Tokens/sec
100
25
MultimodalNoNo
JSON ModeYesYes
Function CallingYesNo
VisionNoNo
When to Use DeepSeek V2.5

DeepSeek V2.5 excels at coding, general-purpose tasks.

Strengths:

  • Excellent value
  • Strong code generation
  • Good quality

Best for:

codinggeneral-purpose
When to Use o3-mini

o3-mini excels at reasoning, math, general-purpose tasks.

Strengths:

  • Strong reasoning
  • Good math skills
  • Affordable reasoning

Best for:

reasoningmathgeneral-purpose

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