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Gemini 2.0 Flash Thinking vs GPT-3.5 Turbo: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Gemini 2.0 Flash Thinking and GPT-3.5 Turbo across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 2.0 Flash ThinkingGPT-3.5 Turbo
ProviderGoogleOpenAI
Input Price / 1M tokens$0.00$0.500
Output Price / 1M tokens$0.00$1.50
Context Window
32K
16K
Max Output Tokens
16,384
4,096
Arena ELO
1,280
1,120
Coding ELO
1,270
1,100
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Gemini 2.0 Flash Thinking

Gemini 2.0 Flash Thinking excels at reasoning, general-purpose tasks.

Strengths:

  • Free reasoning model
  • Strong math & logic
  • Extended thinking

Best for:

reasoninggeneral-purpose
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

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