openai / text-generation API-only released 2025-04-16

o3

o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....

Input / 1M
$2.00
Output / 1M
$8.00
Context
200K
AA Intelligence
20.2
Closed weights — available only as a hosted API image + text + file → text Knowledge cutoff Jun 2024 View on OpenRouter ↗

Pricing

via OpenRouter · USD per 1M tokens · synced 2026-10-24
$2.00
input / 1M
$8.00
output / 1M
$0.50
cached input / 1M
$10.00
1M in + 1M out
:batch variant $1.00 in · $4.00 out
Context window
200,000 tokens
Max output
100,000 tokens
Providers
1
Cheapest provider
OpenAI · $2.00 / $8.00
Best throughput
—
AA Intelligence / Coding / Agentic
20.2 / — / —
✓ Tool calling ✓ Reasoning ✓ Structured outputs ✓ Image input ✓ File input ✗ Audio input ✓ Prompt caching

Price history

tracking started — chart appears after 7 days of snapshots (6 recorded)
Current: $2.00 input · $8.00 output per 1M tokens

Benchmarks

Third-party indices as published through OpenRouter — Artificial Analysis and Design Arena. Not measured by us.

AA Intelligence Index
20.2
AA Coding Index
—
AA Agentic Index
—
Design Arena
CategoryEloWin %Rank
codecategories 1020 51.9% #122
dataviz 1200 48.1% #61
gamedev 1034 56.9% #117
uicomponent 1014 53.3% #115
website 1036 53.8% #125

Providers

1 provider · per 1M tokens · last 30 min metrics
ProviderQuantContextInputOutputUptimeTok/s
OpenAI unknown 200K $2.00 $8.00 100% —
Provider data from OpenRouter's endpoint listing, refreshed daily.

Specifications

Organisation
openai
Released on OpenRouter
2025-04-16
Context window
200,000 tokens
Max output
100,000 tokens
Input
image, text, file
Output
text
Knowledge cutoff
June 2024
Tokenizer
GPT
Moderated by provider
Yes
OpenRouter id
openai/o3
Compare with
Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.