Meta model product
Muse Spark 1.3
3 is Meta Superintelligence Labs' proprietary multimodal reasoning model for long-running agentic, multi-agent, and coding workflows.
Updated Sep 8, 2026. Default version: Muse Spark 1.3
LLMBoard Score90.8Muse Spark 1.3
Coverage0%10 benchmark families
Context window1MTokens
Official input price$1.25Meta API
Muse Spark 1.3 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Muse Spark 1.3 Benchmark Results
Benchmark scores for Muse Spark 1.3.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkAgentic IF Index (Internal) | Score57.80% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkAutomationBench | Score49.40% | Rank01 | Participants18 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkDeepSWE 1.1 | Score75.40% | Rank01 | Participants31 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkJob Bench | Score64.90% | Rank01 | Participants8 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkMRCR v2 (8-needle) | Score98.50% | Rank01 | Participants24 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkMRCR v2 (8-needle, 512K-1M) | Score98.10% | Rank01 | Participants4 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkSWE Atlas - Codebase QnA | Score59.40% | Rank01 | Participants3 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkTerminal-Bench 2.1 | Score88.80% | Rank03 | Participants35 | Percentile94.12% | EvidenceC | Evaluated |
| BenchmarkGDPval-AA | Score1,754.00 points | Rank04 | Participants9 | Percentile62.50% | EvidenceC | Evaluated |
| BenchmarkOSWorld 2.0 | Score66.90% | Rank04 | Participants11 | Percentile70.00% | EvidenceC | Evaluated |
| BenchmarkDeepSearchQA | Score89.40% | Rank05 | Participants10 | Percentile55.56% | EvidenceC | Evaluated |
| BenchmarkLM Arena Webdev | Score1,622.48 rating | Rank09 | Participants97 | Percentile91.67% | EvidenceA | Evaluated |
Muse Spark 1.3 Arena Results
Preference and agent-evaluation results for the default version.
Sort by
Arena | Category | Rank | Rating / score | Votes | Observations | Result date |
|---|
| Arenawebdev | Categorywebdev-html | Rank06 | Rating / score1,655.81 | Votes107 | ObservationsN/A | Result date |
| Arenawebdev | Categoryoverall | Rank09 | Rating / score1,622.48 | Votes1,274 | ObservationsN/A | Result date |
| Arenawebdev | Categorywebdev | Rank09 | Rating / score1,622.48 | Votes1,274 | ObservationsN/A | Result date |
| Arenawebdev | Categorywebdev-react | Rank11 | Rating / score1,626.67 | Votes882 | ObservationsN/A | Result date |
Muse Spark 1.3 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $1.25 input, $4.25 output per 1M
- Official provider
- Meta
- Lowest third-party
- From $1.25 input, $4.25 output per 1M via NanoGPT
- Tracked offerings
- 9
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderNanoGPT | Provider model IDmeta/muse-spark-1.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$4.25 | Context1M | Updated |
| ProviderOpenRouter | Provider model IDmeta/muse-spark-1.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$4.25 | Context1M | Updated |
| ProviderVercel AI Gateway | Provider model IDmeta/muse-spark-1.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$4.25 | Context1M | Updated |
| ProviderKilo Gateway | Provider model IDmeta/muse-spark-1.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$4.25 | Context1M | Updated |
| ProviderMeta | Provider model IDmuse-spark-1.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$4.25 | Context1M | Updated |
| ProviderLLM Gateway | Provider model IDmeta/muse-spark-1.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$4.25 | Context1M | Updated |
| ProviderEmpirioLabs AI | Provider model IDmuse-spark-1-3 | Regionglobal | Input / 1M$1.25 | Output / 1M$4.25 | Context1M | Updated |
| ProviderDevPass (LLM Gateway) | Provider model IDmuse-spark-1.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$4.25 | Context1M | Updated |
| ProviderOpenCode Zen | Provider model IDmuse-spark-1.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$4.25 | Context1M | Updated |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Muse Spark 1.3 Runtime Performance
Provider-specific output speed and catalog latency for Muse Spark 1.3. Runtime does not affect the capability score.
Sort by
Provider | Output Speed | Catalog Latency | Max Input | Max Output | Updated |
|---|
| ProviderMeta Model API | Output Speed8.44 tok/s | Catalog Latency7.91 s | Max Input1M | Max Output943.7K | Updated |
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Muse Spark 1.3 Specifications
Technical details for the model's default version.
- Version
- Muse Spark 1.3
- Released
- Sep 2, 2026
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- 1M
- Max output
- 943.7K
- Inputs
- audio, image, text, video
- Outputs
- text
- Open weights
- No
- License
- Proprietary
Muse Spark 1.3 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionMuse Spark 1.3 | Released | LLMBoard90.82 | ParametersN/A | Context1M | Max output943.7K | Open weightsNo | LicenseProprietary |
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What is Muse Spark 1.3?
Key information about Muse Spark 1.3 and its available data.
2 in long-horizon collaboration, multitasking, instruction following, tool use, failure recovery, and concise coding execution. It supports a 1,048,576-token context window and is available through Muse Code and the Meta Model API.
Data as of 2026-09-08.
FAQ
Common questions about Muse Spark 1.3.
When was Muse Spark 1.3 released?
Muse Spark 1.3's default version was released on Sep 2, 2026.
How much does Muse Spark 1.3 cost?
Muse Spark 1.3's official API price is $1.25 per million input tokens and $4.25 per million output tokens via Meta. The lowest tracked third-party offer starts at $1.25 input and $4.25 output via NanoGPT.
Who created Muse Spark 1.3?
Muse Spark 1.3 was created by Meta.
What is the context window for Muse Spark 1.3?
The default version has a 1M token context window.
Is Muse Spark 1.3 open weight?
No. The default version is not marked as having publicly available weights.