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o1 vs o3: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare o1 and o3 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

Featureo1o3
ProviderOpenAIOpenAI
Input Price / 1M tokens$15.00$10.00
Output Price / 1M tokens$60.00$40.00
Context Window
200K
200K
Max Output Tokens
100,000
100,000
Arena ELO
1,310
1,340
Coding ELO
1,310
1,320
TTFT (ms)
500
600
Tokens/sec
20
15
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use o1

o1 excels at reasoning, coding, math tasks.

Strengths:

  • Best reasoning model
  • Code execution
  • Extended thinking

Best for:

reasoningcodingmath
When to Use o3

o3 excels at reasoning, coding, math tasks.

Strengths:

  • Highest reasoning capability
  • Best math performance
  • Code execution

Best for:

reasoningcodingmath

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