Muse Spark 1.3 Intelligence, Performance and Price Analysis Meta's Muse Spark 1.3 (xhigh) reasoning model, released September 2, 2026, scores 61 on the Artificial Analysis Intelligence Index, well above the median of 36 for comparable reasoning models, and is priced at $1.25 per 1M input tokens and $4.25 per 1M output tokens. The model supports text, image, and video input, outputs text, has a 1M token context window, and generates output at 181.7 tokens per second, notably faster than the median of 68.1 t/s. Muse Spark 1.3 xhigh Intelligence, Performance & Price Analysis Model summary Muse Spark 1.3 xhigh is amongst the leading models in intelligence and well priced when comparing to other models of similar price. It's also notably fast, however somewhat verbose. The model supports text, image, and video input, outputs text, and has a 1M tokens context window. Muse Spark 1.3 xhigh scores 61 on the Artificial Analysis Intelligence Index, placing it well above average among comparable models median: 36 . When evaluating the Intelligence Index, it generated 100M tokens, which is somewhat verbose in comparison to the median of 71M. Pricing for Muse Spark 1.3 xhigh is $1.25 per 1M input tokens moderately priced, median: $1.75 and $4.25 per 1M output tokens moderately priced, median: $10.00 . In total, it cost $810.19 to evaluate Muse Spark 1.3 xhigh on the Intelligence Index. At 182 tokens per second, Muse Spark 1.3 xhigh is notably fast 68 . | Reasoning | Yes This page shows the reasoning version of this model. A non-reasoning variant may also exist. | |---|---| | Input modality | Supports: text, image, and video | | Output modality | Supports: text | | Context window | 1M ~1500 A4 pages of size 12 Arial font | Metrics are compared against models of the same class: - Non-reasoning models → compared only with other non-reasoning models - Reasoning models → compared across both reasoning and non-reasoning - Open weights models → compared only with other open weights models of the same size class: - Tiny: ≤4B parameters - Small: 4B–40B parameters - Medium: 40B–150B parameters - Large: 150B parameters - Proprietary models → compared across proprietary and open weights models of the same price range, using a blended 3:1 input/output price ratio: - <$0.15 per 1M tokens - $0.15–$1 per 1M tokens - $1 per 1M tokens Highlights Intelligence Artificial Analysis Intelligence Index /evaluations/artificial-analysis-intelligence-index Artificial Analysis Intelligence Index by Open Weights / Proprietary Intelligence Evaluations Agentic real-world work tasks, Elo-500 /2000 Agentic tool use Agentic coding & terminal use Coding Reasoning & knowledge Scientific reasoning Physics reasoning Knowledge 1 - hallucination rate Long context reasoning Agentic knowledge work, Elo Agentic SaaS workflows Legal agentic work, criterion pass rate Agentic business operations Quantitative analysis on spreadsheets & documents Instruction following Long-horizon agentic tasks Kubernetes incident root-cause analysis Visual reasoning AA-Omniscience AA-Omniscience Index Intelligence Index Comparisons Intelligence Index vs. Cost per Intelligence Index Task Token Use Output Tokens per Intelligence Index Task Cost Cost per Intelligence Index Task Cost to Run Artificial Analysis Intelligence Index Pricing: Cache Hit, Input, and Output Context Window Context Window Speed Measured by Output Speed tokens per second Output Speed Time per Intelligence Index Task Latency Measured by Time seconds to First Token Latency: Time To First Answer Token End-to-End Response Time Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed End-to-End Response Time Frequently Asked Questions Common questions about Muse Spark 1.3 xhigh Muse Spark 1.3 xhigh was released on September 2, 2026. Muse Spark 1.3 xhigh was created by Meta. Muse Spark 1.3 xhigh scores 61 on the Artificial Analysis Intelligence Index, placing it well above average among other reasoning models in a similar price tier median: 36 . Muse Spark 1.3 xhigh generates output at 181.7 tokens per second based on Meta's API , which is well above average compared to other reasoning models in a similar price tier median: 68.1 t/s . Muse Spark 1.3 xhigh has a time to first token TTFT of 27.51s based on Meta's API , which is at the higher end compared to other reasoning models in a similar price tier median: 3.04s . Muse Spark 1.3 xhigh costs $1.25 per 1M input tokens better than average, median: $1.75 and $4.25 per 1M output tokens better than average, median: $10.00 , based on Meta's API. Muse Spark 1.3 xhigh costs $1.25 per 1M input tokens and $4.25 per 1M output tokens based on Meta's API . For a blended rate 7:2:1 cache hit/input/output ratio , this is $0.78 per 1M tokens. Pricing may vary by provider. Compare provider pricing /models/muse-spark-1-3-xhigh/providers When evaluated on the Intelligence Index, Muse Spark 1.3 xhigh generated 100M output tokens, which is somewhat higher than average compared to other reasoning models in a similar price tier median: 71M . Yes, Muse Spark 1.3 xhigh is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer. Muse Spark 1.3 xhigh supports text, image, and video input. Muse Spark 1.3 xhigh supports text output. Yes, Muse Spark 1.3 xhigh supports image input and can analyze, describe, and answer questions about images. Yes, Muse Spark 1.3 xhigh is multimodal. It can process text, image, and video input and generate text output. Muse Spark 1.3 xhigh has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request. No, Muse Spark 1.3 xhigh is proprietary. The model weights are not publicly available. Muse Spark 1.3 xhigh is a proprietary model and Meta has not disclosed the model size or parameter count. Muse Spark 1.3 xhigh achieves a score of 61 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding. Yes, Muse Spark 1.3 xhigh is available via API through 1 provider. Compare API providers /models/muse-spark-1-3-xhigh/providers Muse Spark 1.3 xhigh is available through 1 API provider. Compare providers /models/muse-spark-1-3-xhigh/providers