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GPT-3.5 Turbo vs o1: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-3.5 Turbo and o1 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-3.5 Turboo1
ProviderOpenAIOpenAI
Input Price / 1M tokens$0.500$15.00
Output Price / 1M tokens$1.50$60.00
Context Window
16K
200K
Max Output Tokens
4,096
100,000
Arena ELO
1,120
1,310
Coding ELO
1,100
1,310
TTFT (ms)
150
500
Tokens/sec
100
20
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use GPT-3.5 Turbo

GPT-3.5 Turbo excels at cost-effective, general-purpose tasks.

Strengths:

  • Very cheap
  • Fast
  • Widely used

Best for:

cost-effectivegeneral-purpose
When to Use o1

o1 excels at reasoning, coding, math tasks.

Strengths:

  • Best reasoning model
  • Code execution
  • Extended thinking

Best for:

reasoningcodingmath

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