Muse Spark 1.2
| Released | 2026-08-05 |
|---|---|
| Price per 1M | $0.10 in · $0.20 out |
| Overall score | 58.7 · rank 42 |
| Context window | 1,048,576 tokens |
| Provider | Meta |
| Weights | Proprietary |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 58.7 | 42 | 30 |
| Overall: Coding | 57.9 | 50 | 20 |
| Overall: Reasoning | 59.0 | 48 | 9 |
| Overall: Agentic work | 57.9 | 56 | 18 |
| Overall: Frontend | 58.2 | 36 | 10 |
| Coding | 57.6 | 51 | 6 |
| Agents | 57.5 | 55 | 7 |
| Reasoning | 60.1 | 45 | 5 |
| Math | 57.4 | 49 | 1 |
| Knowledge | 59.4 | 31 | 3 |
| Frontend | 58.3 | 38 | 2 |
| General | 61.7 | 21 | 4 |
| Multimodal | 59.5 | 22 | 2 |
| Value vs price | +17.1 | 3 |
Configurations
| Configuration | Balanced | Benchmarks |
|---|---|---|
| Unspecified setting | 60.1 ±3.5 | 5 |
| High | 58.2 ±5.6 | 2 |
| Extra High | 58.6 ±1.1 | 24 |
Evidence
Coding 57.6 ±1.7
| Benchmark | Result | Source | Date |
|---|---|---|---|
| FrontierSWE | 12.0% | Epoch AI | 2026-11-11 |
| DeepSWE | 54.9% | Epoch AI | 2026-11-11 |
| IOI | 21.8% | Vals AI | 2026-10-29 |
| SWE-bench Verified (Vals run) | 86.6% | Vals AI | 2026-09-01 |
| SciCode | 57.4% | Epoch AI | 2026-11-11 |
| ProgramBench | 0.5% | Vals AI | 2026-11-09 |
Agents 57.5 ±1.0
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Terminal-Bench 4.0 (Vals run) | 6.1% | Vals AI | 2026-11-09 |
| SRE Bench | 0.0% | Vals AI | 2026-11-05 |
| APEX-Agents | 45.4% | Epoch AI | 2026-11-11 |
| Terminal-Bench 2.1 (Vals run) | 69.7% | Vals AI | 2026-10-01 |
| Tax Agent Bench | 32.8% | Vals AI | 2026-11-09 |
| SkillsBench | 53.0% | Vals AI | 2026-10-29 |
| CyberBench v1.1 | 69.5% | Vals AI | 2026-11-05 |
Reasoning 60.1 ±2.7
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Extended NYT Connections | 79.2% | Lech Mazur | 2026-11-10 |
| CritPt | 17.7% | Epoch AI | 2026-11-11 |
| BioMysteryBench | 64.8% | Vals AI | 2026-11-09 |
| Chess Puzzles | 27.0% | Epoch AI | 2026-10-13 |
| SimpleBench | 74.5% | SimpleBench | 2026-08-13 |
| SimpleBench | 74.5% | Epoch AI | 2026-11-11 |
Math 57.4 ±2.9
| Benchmark | Result | Source | Date |
|---|---|---|---|
| ProofBench v1.1 | 43.0% | Vals AI | 2026-11-09 |
| ProofBench | 43.0% | Epoch AI | 2026-11-11 |
Knowledge 59.4 ±3.6
| Benchmark | Result | Source | Date |
|---|---|---|---|
| SimpleQA Verified | 60.3% | Epoch AI | 2026-08-27 |
| MMLU-Pro (Vals run) | 88.3% | Vals AI | 2026-09-01 |
| Legal Research Bench | 43.8% | Vals AI | 2026-11-09 |
Frontend 58.3 ±0.7
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Vibe Code Bench v1.1 | 79.1% | Vals AI | 2026-11-09 |
| LMArena WebDev | 1,534 | LMArena | 2026-11-09 |
General 61.7 ±2.2
| Benchmark | Result | Source | Date |
|---|---|---|---|
| EQ-Bench Creative Writing v3 | 1,842 | EQ-Bench | 2026-11-11 |
| LMArena Text | 1,493 | LMArena | 2026-11-09 |
| Creative Story-Writing (Lech Mazur) | 48.0% | Lech Mazur | 2026-10-23 |
| EQ-Bench Longform Creative Writing | 81.5% | EQ-Bench | 2026-11-11 |
Multimodal 59.5 ±2.3
| Benchmark | Result | Source | Date |
|---|---|---|---|
| MMMU-Pro (Vals run) | 86.1% | Vals AI | 2026-09-01 |
| LMArena Vision | 1,294 | LMArena | 2026-11-09 |
Names matched to this model
muse-spark-1-2, muse-spark-1-2-contributor