LLMversus

o1-mini vs o4-mini: Pricing, Benchmarks & Verdict (2026)

Pricing verified Sep 14, 2026By LLMversusUpdated September 17, 2026View methodology

⚡ Quick Answer

Compare o1-mini and o4-mini across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

Featureo1-minio4-mini
ProviderOpenAIOpenAI
Input Price / 1M tokens$1.10$1.10
Output Price / 1M tokens$4.40$4.40
Context Window
128K
128K
Max Output Tokens
65,536
32,768
Arena ELO
1,270
1,260
Coding ELO
1,280
1,270
TTFT (ms)
150
180
Tokens/sec
100
105
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use o1-mini

o1-mini excels at reasoning, general-purpose tasks.

Strengths:

  • Good reasoning at lower cost
  • Extended thinking
  • Fast for reasoning model

Best for:

reasoninggeneral-purpose
When to Use o4-mini

o4-mini excels at general-purpose, reasoning, coding tasks.

Strengths:

  • Affordable
  • Fast
  • Good reasoning

Best for:

general-purposereasoningcoding

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