Muse Spark 1.2
Muse Spark 1.2Alternatives?
CheaperMiMo v2.6 ProthinkingOpen+6%-86%$0.13No PDF input+4
CheaperClaude Opus 5.5low+2%-43%$0.55No forced tool use+5CheaperMuse Spark OpenxhighOpen+2%-13%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1
CheaperGPT-5.6 Solhighsame-17%$0.81
CheaperDeepSeek V4.1 Flash 1017maxOpen-3%-73%$0.26No PDF input+5MiMo v2.6 ProthinkingOpen+6%-86%$0.13No PDF input+4Claude Opus 5.5low+2%-43%$0.55No forced tool use+5Muse Spark OpenxhighOpen+2%-13%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1GPT-5.6 Solhighsame-17%$0.81DeepSeek V4.1 Flash 1017maxOpen-3%-73%$0.26No PDF input+5MiMo v2.6 ProthinkingOpen+6%-86%$0.13No PDF input+4Muse Spark 1.3xhigh+4%+40%$1.37Only auto tool_choice is supported+5Claude Opus 5.5high+5%+87%$1.82No forced tool use+5
Gemini 4 Argonhigh+8%+104%*$1.99Synchronous output stops at 65,536+2
Kimi K3maxOpen+4%+105%$2.00Sampling parameters are fixed+3MiMo v2.6 ProthinkingOpen+6%-86%$0.13No PDF input+4Kimi K3maxOpen+4%+105%$2.00Sampling parameters are fixed+3
GLM 5.3maxOpen+3%+106%$2.01No image input+5
Step 5 PreviewthinkingOpen+3%+5%$1.03No PDF input+4Muse Spark OpenxhighOpen+2%-13%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1Muse Wonder Full+9%——Only in Muse CodeMuse Wondermax+5%+363%$4.52Only auto tool_choice is supported+5Muse Spark 1.3xhigh+4%+40%$1.37Only auto tool_choice is supported+5Muse Spark 1.1xhigh+2%+42%$1.38Only n=1 · Meta / Chat Completions+1Muse Spark OpenxhighOpen+2%-13%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1Muse Glimmer 30BhighOpen-22%-94%$0.058Context: 1M → 131KLlama 4 Mavericknon-thinkingOpen-45%-96%$0.038No PDF inputLlama 4 Scoutnon-thinkingOpen-63%-88%$0.11No PDF inputAll Meta models →History
4 versionsBenchmarks
in CodingWatch out 2
Only auto tool_choice is supported›
tool_choice none, required or a named function returns HTTP 400; use auto and handle either a tool call or text. Source ↗
Reasoning cannot be disabled›
Muse Wonder and Muse Spark do not support disabling reasoning with none; keep reasoning enabled. Source ↗
FAQ
How much does Muse Spark 1.2 cost?›
$1.25 per 1M input tokens and $4.25 per 1M output tokens; cached input $0.15 per 1M. A typical benchmark task costs about $0.97 at xhigh effort.
Is Muse Spark 1.2 free to use?›
There is no free API; the cheapest paid price is $1.25 per 1M input tokens.
How good is Muse Spark 1.2, and what is it best at?›
#23 of 334 in Chat & Knowledge, #41 of 132 in Coding, #42 of 133 in Agents & Tool Use, #31 of 195 in Writing & Language, #11 of 37 in Vision & Documents. Strongest at: Agents & work tasks, Reasoning, Science, Long context, Knowledge.
Is Muse Spark 1.2 better than Muse Spark 1.1?›
On SciCode, Muse Spark 1.2 scores 57.4 vs 58.8 — lower. It is 29% cheaper per task.
How can I use Muse Spark 1.2?›
Through the API of Meta.
What is the context window of Muse Spark 1.2?›
1M tokens, with up to 944K output tokens.
When was Muse Spark 1.2 released? Is there a newer version?›
Released 2026-08-05. It has been superseded by Muse Spark 1.3.
Is Muse Spark 1.2 open source?›
No, Muse Spark 1.2 is a closed model available through an API. The closest open-weights option here is MiMo v2.6 Pro.
Can Muse Spark 1.2 read images?›
It accepts text and images, PDF files, video as input.
What is Muse Spark 1.2?›
Muse Spark 1.2 is a closed language model from Meta, released Aug 2026, the successor to Muse Spark 1.1.
What are the best alternatives to Muse Spark 1.2?›
MiMo v2.6 Pro (cheaper).