Muse Spark 1.2
Muse Spark 1.2Alternatives?
CheaperGemini 3.8 Flashunstated+2%-25%*$0.75 / $3.75Sampling parameters are ignored+1
BetterClaude Fable 5unstated+4%+900%$10 / $50
OpenKimi K3unstatedsame+200%$3 / $15Sampling parameters are fixed+3CheaperGemini 3 Flash Previewunstated+2%-44%$0.50 / $3CheaperGemini 3.6 Flashunstated+2%-25%*$0.75 / $3.75Gemini 3.8 Flashunstated+2%-25%*$0.75 / $3.75Sampling parameters are ignored+1Gemini 3 Flash Previewunstated+2%-44%$0.50 / $3Gemini 3.6 Flashunstated+2%-25%*$0.75 / $3.75
MiniMax M3unstatedOpensame-74%$0.30 / $1.20Context: 1M → 524K+2
Qwen 3.5 Plusunstatedsame-87%$0.12 / $0.69Claude Fable 5unstated+4%+900%$10 / $50Claude Fable 5.1unstated+4%+900%$10 / $50Replace forced tool_choice+5Gemini 4 Argonunstated+4%+100%*$2 / $10Synchronous output stops at 65,536+2Gemini 3.1 Pro Previewunstated+3%+125%$2 / $12Cannot use both thinking controlsKimi K3unstatedOpensame+200%$3 / $15Sampling parameters are fixed+3MiniMax M3unstatedOpensame-74%$0.30 / $1.20Context: 1M → 524K+2
GLM 5.3unstatedOpensame+7%$1.40 / $4.40No image input+5Kimi K2.6unstatedOpensame-14%$0.95 / $4Context: 1M → 256KGLM 5.1unstatedOpensame+7%$1.40 / $4.40Context: 1M → 203K+2Muse Spark 1.1unstatedsame—$1.25 / $4.25Only n=1 · Meta / Chat Completions+1Muse Sparkunstated-1%—$1.25 / $4.25Only n=1 · Meta / Chat Completions+1Llama 4 MaverickunstatedOpen-9%—$0.19 / $0.65No PDF inputLlama 4 ScoutunstatedOpen-16%—$0.10 / $0.30No PDF inputMuse Spark OpenxhighOpenn/a—$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1Muse Wondermaxn/a—$4.52Only auto tool_choice is supported+5Muse Wonder Fulln/a——Only in Muse CodeMuse Spark 1.3xhighn/a—$1.37Only auto tool_choice is supported+5All Meta models →History
4 versionsBenchmarks
in Chat & KnowledgeWatch 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 Vals LegalBench, Muse Spark 1.2 scores 85.3 vs 85 — about the same.
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 Kimi K3.
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?›
Gemini 3.8 Flash (cheaper), Claude Fable 5 (better), Kimi K3 (open weights).