Model comparison
Muse Spark vs Reka Flash 3
Muse Spark has enough public results to be ranked (#41); Reka Flash 3 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
MetaSummary
- The widest gap is in writing & preference, where Muse Spark leads 66.2 to 43.8.
- Reka Flash 3 has downloadable open weights; the other is API-only.
Side by side
| Muse Spark | Reka Flash 3 | |
|---|---|---|
| Provider | Meta | Reka |
| Noometry Index | 50.3 | 36.4 |
| Released | 2026-04-08 | 2025-03-10 |
| Weights | Proprietary | Open |
| Context window | — | 66K |
| Max output | — | 59K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.20 |
| Results tracked | 27 | 2 |
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Category by category
Coding Not comparable
Muse Spark: 45.6 (#65), Reka Flash 3: —
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| SciCode | 51.5% | — |
| LMArena Coding | 1482 | — |
Agentic & Tool Use Not comparable
Muse Spark: —, Reka Flash 3: 30.1
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| BALROG | — | 29.2% |
Reasoning Not comparable
Muse Spark: 34.9 (#61), Reka Flash 3: —
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| CritPt | 11.3% | — |
| LMArena Hard Prompts | 1475 | — |
| Epoch Capabilities Index | 152.09 | — |
Math Not comparable
Muse Spark: 46.8 (#57), Reka Flash 3: —
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 17% | — |
| LMArena Math | 1455 | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge Not comparable
Muse Spark: 65.7 (#12), Reka Flash 3: —
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| GPQA Diamond | 89.8% | — |
| Humanity's Last Exam | 40.6% | — |
| LMArena Expert | 1458 | — |
Multimodal Not comparable
Muse Spark: 42.7 (#23), Reka Flash 3: —
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| LMArena Vision | 1306 | — |
| LMArena Document | 1444 | — |
Multilingual Not comparable
Muse Spark: 56.3 (#23), Reka Flash 3: —
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| LMArena Non-English | 1464 | — |
| LMArena Chinese | 1507 | — |
| LMArena French | 1497 | — |
| LMArena German | 1497 | — |
| LMArena Korean | 1457 | — |
| LMArena Russian | 1467 | — |
| LMArena Spanish | 1471 | — |
Instruction Following Not comparable
Muse Spark: 76.1 (#47), Reka Flash 3: —
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| LMArena Instruction Following | 1443 | — |
Long Context Not comparable
Muse Spark: 44.4 (#65), Reka Flash 3: —
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| LMArena Longer Query | 1451 | — |
Writing & Preference Muse Spark leads
Muse Spark: 66.2 (#37), Reka Flash 3: 43.8
| Benchmark | Muse Spark | Reka Flash 3 |
|---|---|---|
| LMArena Text | 1474 | — |
| LMArena Creative Writing | 1460 | — |
| EQ-Bench Creative Writing | — | 1228 |
| LMArena Multi-Turn | 1477 | — |
Frequently asked questions
Is Muse Spark better than Reka Flash 3?
Muse Spark has enough public results to be ranked (#41); Reka Flash 3 does not yet, so treat this comparison as directional.
How many benchmarks do Muse Spark and Reka Flash 3 share?
0 benchmarks have published results for both models. Muse Spark has 27 scored results on Noometry and Reka Flash 3 has 2.