LLMversus

o3 vs Qwen 2.5 72B: Pricing, Benchmarks & Verdict (2026)

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

⚡ Quick Answer

Compare o3 and Qwen 2.5 72B across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

Featureo3Qwen 2.5 72B
ProviderOpenAIAlibaba
Input Price / 1M tokens$2.00$0.360
Output Price / 1M tokens$8.00$0.400
Context Window
200K
128K
Max Output Tokens
100,000
4,096
Arena ELO
1,340
1,230
Coding ELO
1,320
1,210
TTFT (ms)
600
150
Tokens/sec
15
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use o3

o3 excels at reasoning, coding, math tasks.

Strengths:

  • Highest reasoning capability
  • Best math performance
  • Code execution

Best for:

reasoningcodingmath
When to Use Qwen 2.5 72B

Qwen 2.5 72B excels at coding, general-purpose tasks.

Strengths:

  • Strong code generation
  • Competitive pricing
  • Large context

Best for:

codinggeneral-purpose

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