GPT-5.2 vs Muse Spark
GPT-5.2 and Muse Spark are closely matched at 41.4 and 41.7 on the LLM Stats Score.
OpenAI · Meta · Updated for 2026
Which is better?
GPT-5.2 and Muse Spark are closely matched on the overall LLM Stats Score at 41.4 and 41.7.
In the 8 individual benchmarks reported for both models, GPT-5.2 wins 5; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-5.2
- you value its reported benchmark strengths — it wins 5 of 8 exact shared results
Choose Muse Spark
- you want the most recent training data — it shipped Apr 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
24 reported for GPT-5.2 · 19 for Muse Spark
GPT-5.2 outperforms in 5 benchmarks (ARC-AGI v2, GPQA, ScreenSpot Pro, SWE-Bench Verified, Tau2 Telecom), while Muse Spark is better at 3 benchmarks (CharXiv-R, Humanity's Last Exam, MMMU-Pro).
GPT-5.2 shows notably better performance in the majority of benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only GPT-5.2 specifies input context (400,000 tokens). Only GPT-5.2 specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
Both GPT-5.2 and Muse Spark support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.2
Muse Spark
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-5.2 was released on 2025-12-11, while Muse Spark was released on 2026-04-08.
Muse Spark is 4 months newer than GPT-5.2.
Dec 11, 2025
9 months ago
Apr 8, 2026
5 months ago
3mo newerKnowledge Cutoff
When training data ends
GPT-5.2 has a documented knowledge cutoff of 2025-08-25, while Muse Spark's cutoff date is not specified.
We can confirm GPT-5.2's training data extends to 2025-08-25, but cannot make a direct comparison without Muse Spark's cutoff date.
Aug 2025
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Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5.2 and Muse Spark side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5.2 vs Muse Spark.