Skip to model information

Compare models

Side-by-side comparison

OpenAI

GPT-4o

gpt-4o
Available
Input / 1M
$2.50
Output / 1M
$10.00
Cached / 1M
$1.25
Context
128K
  • Image inputSupported
  • Tool callingSupported
  • Structured outputSupported
First available
May 13, 2024
Knowledge cutoff
Oct 01, 2023
Input
Text, image
Moonshot AI

Kimi K3

kimi-k3
Available
Input / 1M
$3.00
Output / 1M
$15.00
Cached / 1M
$0.30
Context
1M
  • Image inputSupported
  • Tool callingSupported
  • Structured outputSupported
First available
Jul 16, 2026
Knowledge cutoff
Not published
Input
Text, image, video

Compare up to four models.

Prices and context windows

Input price

USD per 1M tokens
  • GPT-4o
    $2.50
  • Kimi K3
    $3.00

Output price

USD per 1M tokens
  • GPT-4o
    $10.00
  • Kimi K3
    $15.00

Cached input price

USD per 1M tokens · lowest rate
  • GPT-4o
    $1.25
  • Kimi K3
    $0.30

Context window

Tokens
  • GPT-4o
    128K
  • Kimi K3
    1M
  • Prices are USD per million tokens at the standard rate. Open a model for its full rate card.
  • Cached input is the lowest cache-read rate. "From" means some requests pay more, such as long prompts.
  • Prices and availability as of October 20, 2026.