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Muse Spark 1.2 Contributor

Meta AI

Muse Spark 1.2 contributor tier is a reasoning model from Meta designed for developers who want to start building at an even lower cost. It’s meaningfully cheaper than Muse Spark...

Updated 21 min ago · first seen 11 Sept 2026

model_01M294WVQCZ5GRCM13CACD4Y36

Context
1.05M tokens
T2 · 21 min ago
Released
21 Aug 2026
T2 · 21 min ago

Specification

Release date
21 Aug 2026

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Context window
1.05M tokens

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Max output
943.7K tokens

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Modalities
audio, image, text, video

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Input modalities
audio, image, text, video

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Output modalities
text

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

File input
Yes

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Openrouter id
meta/muse-spark-1.2-contributor

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Supported parameters
include_reasoning, max_tokens, reasoning, reasoning_effort, repetition_penalty, response_format, structured_outputs, temperature, tool_choice, tools, top_k, top_p

Source:OpenRouter public model & pricing listingT2observed 21 min 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

21 min ago

Conflicts

None