LLM

o3

by OpenAI

Prices last updated October 4, 2026

Reasoning-focused model with step-by-step deliberation for complex math, coding, and science tasks.

Context
200k
Providers
3
Cheapest Input
$2.00
Vision Function Calling JSON Mode Streaming Chat / InstructCodeReasoningVision

Price Comparison

Compare pricing across 3 providers serving o3

Provider Input $/1M Output $/1M Context Speed TTFT Status
OP
OpenRouter
$2.00 ● $8.00 — — — Live
OP
OpenAI
$2.00 ● $8.00 — — — Live
AI
AIMLAPI
$2.60 $10.40 — — — Live
● Cheapest ● Fastest Prices in USD per 1M tokens

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