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OpenAI

ChatGPT-4o Latest

Complete specs, pricing, and benchmark data for ChatGPT-4o Latest by OpenAI. Last verified 2026-04-20.

MultimodalJSON ModeFunctionsStreaming
Pricing

Input / 1M tokens

$5.00

Output / 1M tokens

$15.00

Context & Output

Context Window

128K

Max Output

16,384

TTFT

150ms

Speed

100 tok/s

Benchmarks

Arena ELO

1265

Coding ELO

1270

Reasoning ELO

1265

HumanEval

91

MMLU

89

MATH

132

GPQA

57.5

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Price History (Input $/M tokens)

Strengths
  • +Latest GPT-4o
  • +Improved performance
  • +Always updated
Limitations
  • -No fixed version guarantee
  • -Mid-range pricing

Best For

General PurposeMultimodalFunction Calling

Compare ChatGPT-4o Latest with...

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