Free Models Router — Product

Specification

Release date: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Context window: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Modalities: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Input modalities: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Output modalities: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Kind: Source:OpenRouter public model & pricing listingT2observed 3 h agomedium
Openrouter id: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Openrouter listed at: Source:OpenRouter public model & pricing listingT2observed 6 h agomedium
Reasoning: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Structured output: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Supported parameters: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Tool calling: Source:OpenRouter public model & pricing listingT2observed 13 h agomedium
Vision: Source:OpenRouter public model & pricing listingT2observed 13 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

14

Source tiers

T214

Freshest observation

3 h ago

Conflicts

None

Available through: OpenRouter
Operated by: OpenRouter

As of

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

Claim history · Supported parameters

1 claims · 1 propertiesShow all properties

Supported parameterssupported_parameters1

Claim history for Supported parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
frequency_penalty, include_reasoning, logprobs, max_completion_tokens, max_tokens, min_p, presence_penalty, reasoning, reasoning_effort, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_logprobs, top_p	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 →

No events yet

Events are generated by the change engine when a material property, price or result changes.

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
OpenRouter public model & pricing listing	openrouter.ai/api/v1/models	catalogue	T2· Quality secondary	2 min ago	11

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