# GPT-5.2 Pro vs Muse Spark 1.1

> GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 49.9 on the Noometry Index. Muse Spark 1.1 costs 29× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-2-pro-vs-muse-spark-1-1
- Last updated: 2026-10-12
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. GPT-5.2 Pro scores higher in 2 categories and Muse Spark 1.1 in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.2 Pro leads 65.3 to 45.5.
- The biggest single-benchmark swing is NYT Connections (extended): 79.3% for GPT-5.2 Pro and 84.9% for Muse Spark 1.1.
- Muse Spark 1.1 is cheaper at $1.25 / $4.25 per million input/output tokens, against $21 / $168 for GPT-5.2 Pro.
- Muse Spark 1.1 accepts more context: 1.05M tokens versus 400K.

## Snapshot

| | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| Provider | OpenAI | Meta |
| Noometry Index | 52.3 | 49.9 |
| Rank | 39 | 51 |
| Context | 400K | 1.05M |
| Input $/M | $21 | $1.25 |
| Output $/M | $168 | $4.25 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5.2 Pro: —
- Muse Spark 1.1: 51.3 (#40)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| DeepSWE | — | 53.3% |
| LMArena WebDev | — | 1542 |
| SciCode | — | 58.8% |
| LMArena Coding | — | 1498 |

## Agentic & Tool Use

- GPT-5.2 Pro: —
- Muse Spark 1.1: 30.8 (#73)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| APEX-Agents | — | 31.8% |
| τ²-bench Banking | — | 40.5% |
| GBAEval | — | 7.9% |
| GDP.pdf | — | 15% |
| Vending-Bench 2 | — | 6,520 |

## Reasoning

- GPT-5.2 Pro: 51.5 (#33)
- Muse Spark 1.1: 47.1 (#44)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| NYT Connections (extended) | 79.3% | 84.9% |
| Epoch Capabilities Index | 155.4 | 154.21 |
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| ARC-AGI-1 | 90.5% | — |
| CritPt | — | 15.1% |
| LMArena Hard Prompts | — | 1486 |
| DTBench | — | 94.4% |
| LMCA | — | 49.9% |
| Surface Evolver Bench | — | 52.5% |

## Math

- GPT-5.2 Pro: 65.3 (#29)
- Muse Spark 1.1: 45.5 (#76)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| ProofBench | — | 39% |
| LMArena Math | — | 1483 |
| FrontierMath Tier 4 (v1) | 31.3% | — |

## Knowledge

- GPT-5.2 Pro: —
- Muse Spark 1.1: 53.1 (#59)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| SimpleQA Verified | — | 57.8% |
| LMArena Expert | — | 1478 |

## Multimodal

- GPT-5.2 Pro: —
- Muse Spark 1.1: 42.6 (#29)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| LMArena Vision | — | 1293 |
| LMArena Document | — | 1465 |

## Multilingual

- GPT-5.2 Pro: —
- Muse Spark 1.1: 56.7 (#17)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| LMArena Non-English | — | 1472 |
| LMArena Chinese | — | 1518 |
| LMArena French | — | 1494 |
| LMArena German | — | 1466 |
| LMArena Japanese | — | 1451 |
| LMArena Korean | — | 1458 |
| LMArena Russian | — | 1483 |
| LMArena Spanish | — | 1464 |

## Instruction Following

- GPT-5.2 Pro: —
- Muse Spark 1.1: 76.5 (#39)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| LMArena Instruction Following | — | 1457 |

## Long Context

- GPT-5.2 Pro: —
- Muse Spark 1.1: 44.8 (#58)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| LMArena Longer Query | — | 1462 |

## Writing & Preference

- GPT-5.2 Pro: —
- Muse Spark 1.1: 73.4 (#11)

| Benchmark | GPT-5.2 Pro | Muse Spark 1.1 |
|---|---|---|
| LMArena Text | — | 1479 |
| LMArena Creative Writing | — | 1437 |
| EQ-Bench Creative Writing | — | 1927 |
| EQ-Bench 4 | — | 1260 |
| LMArena Multi-Turn | — | 1485 |

## FAQ

### Is GPT-5.2 Pro better than Muse Spark 1.1?

GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 49.9 on the Noometry Index. Muse Spark 1.1 costs 29× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.2 Pro or Muse Spark 1.1?

Muse Spark 1.1 is cheaper. It lists at $1.25 per million input tokens and $4.25 per million output tokens; GPT-5.2 Pro lists at $21 and $168.

### Which has the bigger context window?

Muse Spark 1.1 does, with 1.05M tokens against 400K.

### How many benchmarks do GPT-5.2 Pro and Muse Spark 1.1 share?

2 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Muse Spark 1.1 has 37.