Specification

Release date: 16 Apr 2025
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Context window: 200K tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Max output: 100K tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Knowledge cutoff: Jun 2024
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Modalities: image, text
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Input modalities: image, text
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Output modalities: text
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Tokenizer: GPT
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
File input: Yes
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Openrouter id: openai/o4-mini-high
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Supported parameters: include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

16

Source tiers

T216

Freshest observation

4 h ago

Conflicts

None

Modalities

Modalities: imagetext
Input: imagetext
Output: text

Capabilities

Tool calling
Yes
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Yes
OpenRouter public model & pricing listing · T2
Vision
Yes
OpenRouter public model & pricing listing · T2
Audio
Unavailable
Fine-tuning available
Unavailable

Context window: 200K tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Max output: 100K tokens
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Knowledge cutoff: Jun 2024
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium
Tokenizer: GPT
Source:OpenRouter public model & pricing listingT2observed 4 h agomedium

Benchmark results
Benchmark	Score	Metric	Config	Evaluated	Source
Aider polyglot	72%	pass_rate_2	date=2025-04-16 · command=aider --model o4-mini · dirname=2025-04-16-22-01-58--o4-mini-high-diff-exsys · versions=0.82.1.dev	16 Apr 2025	aider.chatT2
Aider polyglot	90.7%	percent_cases_well_formed	date=2025-04-16 · command=aider --model o4-mini · dirname=2025-04-16-22-01-58--o4-mini-high-diff-exsys · versions=0.82.1.dev	16 Apr 2025	aider.chatT2

Scores are reported as published, with their evaluation configuration (harness, prompting, judge). Results with different configs are not directly comparable — see methodology.

Current prices

Current prices per 1M tokens
Provider	Input / 1M	Output / 1M	Cached in	Batch in / out	Context	Observed	Source
OpenAI APIopenai/o4-mini-high	$1.1	$4.4	$0.275	—	200K	1 h ago	openrouter.aiT2

USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.

Available through 1

OpenAI API

Price history

Input price · USD / 1M tokens

Output price · USD / 1M tokens

OpenAI API

No hardware estimate available

Estimates need a parameter count; this model has none recorded from a source.

No lineage recorded

Lineage comes from explicit `derived_from`, `fine_tuned_from`, `distilled_from` and `quantized_from` relations stated by sources.

Papers 0

No papers linked yet.

Repositories 0

No repositories linked yet.

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history

16 claims · 16 properties

Release daterelease_date1

Claim history for Release date
Value	Valid from → to	Status	Source	Confidence	Extractor
16 Apr 2025	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Context windowcontext_length1

Claim history for Context window
Value	Valid from → to	Status	Source	Confidence	Extractor
200K tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Max outputmax_output_tokens1

Claim history for Max output
Value	Valid from → to	Status	Source	Confidence	Extractor
100K tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Knowledge cutoffknowledge_cutoff1

Claim history for Knowledge cutoff
Value	Valid from → to	Status	Source	Confidence	Extractor
Jun 2024	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Modalitiesmodalities1

Claim history for Modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Input modalitiesmodalities_input1

Claim history for Input modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Output modalitiesmodalities_output1

Claim history for Output modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tokenizertokenizer1

Claim history for Tokenizer
Value	Valid from → to	Status	Source	Confidence	Extractor
GPT	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Descriptiondescription1

Claim history for Description
Value	Valid from → to	Status	Source	Confidence	Extractor
OpenAI o4-mini-high is the same model as [o4-mini](/openai/o4-mini) with reasoning_effort set to high. OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining...	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

File inputfile_input1

Claim history for File input
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Openrouter idopenrouter_id1

Claim history for Openrouter id
Value	Valid from → to	Status	Source	Confidence	Extractor
openai/o4-mini-high	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Reasoningreasoning1

Claim history for Reasoning
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Structured outputstructured_output1

Claim history for Structured output
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Supported parameterssupported_parameters1

Claim history for Supported parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tool callingtool_calling1

Claim history for Tool calling
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Visionvision1

Claim history for Vision
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →

11 Sept 2026
Benchmark resultModelo4 Mini HighOpenAI
o4 Mini High scores 90.7% on Aider polyglot
aider_leaderboard
aider.chat
11 Sept 2026
Benchmark resultModelo4 Mini HighOpenAI
o4 Mini High scores 72% on Aider polyglot
aider_leaderboard
aider.chat
16 Apr 2025
New modelModelo4 Mini HighOpenAI
New model: o4 Mini High (OpenAI)
openrouter
openrouter.ai
11 Sept 2026
Listed by providerModelo4 Mini HighOpenAI
OpenAI API lists o4 Mini High at $1.1 in / $4.4 out per 1M tokens
openrouter
openrouter.ai

Full timeline →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
OpenRouter public model & pricing listing	openrouter.ai/api/v1/models	catalogue	T2· Quality secondary	1 h ago	3
Aider polyglot leaderboard (data file on GitHub)	raw.githubusercontent.com/Aider-AI/aider/main/aider/website/_data/polyglot_leaderboard.yml	leaderboard	T2· Quality secondary	3 h ago	1

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.