OpenAI

o3 Mini High

Tool callingStructured outputReasoningFile input
Context
200K
Released
1y ago
Input / 1M tokens
$1.10
Output / 1M tokens
$4.40
Cached input / 1M tokens
$0.55

Sources:OpenRouter

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Other sourced evaluations appear below; missing scores are not zero.

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

No benchmark results have been matched to this model yet.

Specifications

Developer
OpenAI
Model family
o-series
Type
Language model
Predecessor
—
Successor
—
Released
January 31, 2025
Model ID
openai/o3-mini-high
Openness
Closed
License
—
Input modalities
text, file
Output modalities
text
Modality
text+file->text
Tokenizer
GPT
Max output tokens
100K
Knowledge cutoff
2023-10-31
Hugging Face
—
Source freshness
Endpoints synced Oct 15, 2026, 8:17 AM UTC

Infrastructure

Provider availability

All providers
ProviderEndpointContextInput /M tokensOutput /M tokensCached input /M tokensCache write /M tokensUptime 1dData handling
OpenAIopenai200K$1.10$4.40$0.55—100.00%
ZDR: No

Training: Unknown

Prompt logging: Unknown

Retention: Unknown

Checked 2026-10-15

Provider data:OpenRouter

Text provenance

EU · product-scoped

OpenAI textGrain watermarking

In the EU, ChatGPT-generated text uses textGrain. OpenAI says API customers can opt in globally for select models, so watermarking depends on the product surface and configuration.

Official explanation