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OpenAI

GPT-3.5 Turbo

Complete specs, pricing, and benchmark data for GPT-3.5 Turbo by OpenAI. Last verified 2026-04-20.

JSON ModeFunctionsStreaming
Pricing

Input / 1M tokens

$0.500

Output / 1M tokens

$1.50

Context & Output

Context Window

16K

Max Output

4,096

TTFT

150ms

Speed

100 tok/s

Benchmarks

Arena ELO

1120

Coding ELO

1100

Reasoning ELO

1120

HumanEval

65

MMLU

70

MATH

40

GPQA

40

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Price History (Input $/M tokens)

Strengths
  • +Very cheap
  • +Fast
  • +Widely used
Limitations
  • -Older model
  • -Weaker on complex tasks
  • -Small context window

Best For

Cost EffectiveGeneral Purpose

Compare GPT-3.5 Turbo with...

vs Claude Opus 4vs Gemini 2.5 Provs o3vs DeepSeek R1vs o1vs Qwen 3 235B MoEvs Gemini Experimental 1206vs GPT-4.5vs DeepSeek R1 (Groq)vs Llama 4 Maverickvs DeepSeek R1 (Together)vs Grok 3
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