Specification

Release date: 17 Dec 2024
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Status: deprecated
Source:OpenAI Platform docsT1observed 1 h agohigh
Openness: proprietary
Source:OpenAI Platform docsT1observed 1 h agohigh
Context window: 200K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Max output: 100K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Knowledge cutoff: Oct 2023
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Modalities: image, text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Input modalities: image, text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Output modalities: text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Tokenizer: GPT
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
API model id: o1
Source:OpenAI Platform docsT1observed 1 h agohigh
Deprecation date: 22 Apr 2026
Source:OpenAI Platform docsT1observed 1 h agohigh
Retirement date: 23 Oct 2026
Source:OpenAI Platform docsT1observed 1 h agohigh
Retirement tentative: No
Source:OpenAI Platform docsT1observed 1 h agohigh
Official page: developers.openai.com/api/docs/models/o1
Source:OpenAI Platform docsT1observed 1 h agohigh
File input: Yes
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Openrouter id: openai/o1
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Retired snapshots: o1-2024-12-17
Source:OpenAI Platform docsT1observed 1 h agohigh
Supported parameters: include_reasoning, max_tokens, reasoning, response_format, seed, structured_outputs, tool_choice, tools
Source:OpenRouter public model & pricing listingT2observed 1 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

24

Source tiers

T1T29 / 15

Freshest observation

1 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 1 h agomedium
Max output: 100K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Knowledge cutoff: Oct 2023
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Tokenizer: GPT
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium

No benchmark results recorded

Results appear when a tier 1–3 source publishes them; we never copy scores without a source.

Current prices

Current prices per 1M tokens
Provider	Input / 1M	Output / 1M	Cached in	Batch in / out	Context	Observed	Source
OpenAI APIo1	$15	$60	$7.5	$7.5 / $30	—	1 h ago	developers.openai.comT1
OpenAI APIopenai/o1	$15	$60	$7.5	—	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 · Output modalities

1 claims · 1 propertiesShow all properties

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

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
Listed by providerModelo1OpenAI
OpenAI API lists o1 at $15 in / $60 out per 1M tokens
openrouter
openrouter.ai
11 Sept 2026
New modelModelo1OpenAI
New model: o1 (OpenAI)
openai
developers.openai.com
11 Sept 2026
Listed by providerModelo1OpenAI
OpenAI API lists o1 at $15 in / $60 out per 1M tokens
openai
developers.openai.com

Full timeline →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
OpenAI Platform docs	developers.openai.com/api/docs/deprecations.md	model_docs	T1· Official	1 h ago	1
OpenAI Platform docs	developers.openai.com/api/docs/pricing.md	pricing	T1· Official	1 h ago	1
OpenAI Platform docs	developers.openai.com/api/docs/models.md	model_docs	T1· Official	1 h ago	1
OpenRouter public model & pricing listing	openrouter.ai/api/v1/models	catalogue	T2· Quality secondary	1 h ago	1

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