openai / text-generation API-only released 2025-01-31

o3 Mini

OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to...

Input / 1M
$1.10
Output / 1M
$4.40
Context
200K
AA Intelligence
12.5
Closed weights — available only as a hosted API text + file → text Knowledge cutoff Oct 2023 View on OpenRouter ↗

Pricing

via OpenRouter · USD per 1M tokens · synced 2026-10-24
$1.10
input / 1M
$4.40
output / 1M
$0.55
cached input / 1M
$5.50
1M in + 1M out
:batch variant $0.55 in · $2.20 out
Context window
200,000 tokens
Max output
100,000 tokens
Providers
1
Cheapest provider
OpenAI · $1.10 / $4.40
Best throughput
—
AA Intelligence / Coding / Agentic
12.5 / — / —
✓ 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: $1.10 input · $4.40 output per 1M tokens

Benchmarks

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

AA Intelligence Index
12.5
AA Coding Index
—
AA Agentic Index
—

Providers

1 provider · per 1M tokens · last 30 min metrics
ProviderQuantContextInputOutputUptimeTok/s
OpenAI unknown 200K $1.10 $4.40 0% —
Provider data from OpenRouter's endpoint listing, refreshed daily.

Specifications

Organisation
openai
Released on OpenRouter
2025-01-31
Context window
200,000 tokens
Max output
100,000 tokens
Input
text, file
Output
text
Knowledge cutoff
October 2023
Tokenizer
GPT
Moderated by provider
Yes
OpenRouter id
openai/o3-mini
Compare with
Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.