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Meta: Muse Spark 1.3 Contributor
Muse Spark 1.3 Contributor is the cost-efficient contributor tier of Meta’s multimodal reasoning model for experimentation, learning, and early-stage agentic, multi-agent, and coding workflows. It is designed to track information...
Specifications
| Provider | Meta |
| Model ID | meta/muse-spark-1.3-contributor |
| Context window | 1.0M tokens (1,048,576) |
| Modalities | text + image + file + video → text |
| Tokenizer | Other |
| Router sources | OpenRouter, Vercel AI Gateway |
| Released | 2026-09-02 |
| Tracked since | 2026-11-14 |
| Popularity | #23 by usage · peak 6.6% spend share in an OpenRouter category |
| Reasoning | Mandatory |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | meta/muse-spark-1.3-contributor | $0.1 | $0.2 | 1.0M |
| standard | Vercel AI Gateway | meta/muse-spark-1.3-contributor | $0.1 | $0.2 | 1.0M |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $0.1 | $0.2 | 1.0M |
| 2026-11-14 | $0.1 | $0.2 | 1.0M |
Capabilities
Vision (image input)Video inputFile inputAgentic tool useStructured outputsReasoning (always on)1M+ context windowControllable reasoning
Supported parameters
include_reasoning, max_tokens, reasoning, reasoning_effort, repetition_penalty, response_format, structured_outputs, temperature, tool_choice, tools, top_k, top_p