Model comparison
DeepSeek V4 Flash vs Muse Glimmer
DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 41.7 on the Noometry Index.
Last verified . 15 shared benchmarks.
DeepSeek
MetaSummary
- They share 15 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 8 categories and Muse Glimmer in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where DeepSeek V4 Flash leads 53.7 to 25.7.
- The biggest single-benchmark swing is CritPt: 16.6% for DeepSeek V4 Flash and 2.6% for Muse Glimmer.
Side by side
| DeepSeek V4 Flash | Muse Glimmer | |
|---|---|---|
| Provider | DeepSeek | Meta |
| Noometry Index | 53.6 | 41.7 |
| Released | 2026-04-24 | 2026-08-10 |
| Weights | Open | Open |
| Context window | 1M | — |
| Max output | 393K | — |
| Input $ / M tokens | $0.15 | — |
| Output $ / M tokens | $0.60 | — |
| Results tracked | 41 | 15 |
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Category by category
Coding DeepSeek V4 Flash leads
DeepSeek V4 Flash: 47.9 (#59), Muse Glimmer: 40.4 (#142)
| Benchmark | DeepSeek V4 Flash | Muse Glimmer |
|---|---|---|
| LMArena WebDev | 1582 | 1355 |
| SciCode | 49.9% | 44.9% |
| LMArena Coding | 1457 | 1416 |
| FrontierCode | 18.8% | — |
| WeirdML | 63% | — |
| ALE-Bench | 1,306 | — |
Reasoning DeepSeek V4 Flash leads
DeepSeek V4 Flash: 53.7 (#30), Muse Glimmer: 25.7 (#144)
| Benchmark | DeepSeek V4 Flash | Muse Glimmer |
|---|---|---|
| CritPt | 16.6% | 2.6% |
| LMArena Hard Prompts | 1444 | 1396 |
| ARC-AGI-2 | 61.4% | — |
| SimpleBench | 61.1% | — |
| Kagi LLM Benchmark | 52.2% | — |
| NYT Connections (extended) | 89.6% | — |
| ARC-AGI-1 | 89% | — |
| Chess Puzzles | 33% | — |
| Mystery Game Puzzles | 34% | — |
| DTBench | 90.9% | — |
| LMCA | 41.7% | — |
| Epoch Capabilities Index | 154.49 | — |
Math DeepSeek V4 Flash leads
DeepSeek V4 Flash: 60.3 (#37), Muse Glimmer: 38.8 (#125)
| Benchmark | DeepSeek V4 Flash | Muse Glimmer |
|---|---|---|
| LMArena Math | 1427 | 1417 |
| FrontierMath (Tiers 1-3) | 57.5% | — |
| FrontierMath Tier 4 | 24.4% | — |
| MathArena Final-Answer Competitions | 76.5% | — |
| OTIS Mock AIME 2024-2025 | 94.4% | — |
| ProofBench | 56% | — |
Knowledge DeepSeek V4 Flash leads
DeepSeek V4 Flash: 55.4 (#48), Muse Glimmer: 38.5 (#143)
| Benchmark | DeepSeek V4 Flash | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1441 | 1386 |
| GPQA Diamond | 91% | — |
| SimpleQA Verified | 33.6% | — |
Multilingual DeepSeek V4 Flash leads
DeepSeek V4 Flash: 53.0 (#72), Muse Glimmer: 50.5 (#122)
| Benchmark | DeepSeek V4 Flash | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1420 | 1384 |
| LMArena Chinese | 1468 | 1412 |
| LMArena Russian | 1428 | 1390 |
| LMArena French | 1439 | — |
| LMArena German | 1418 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1384 | — |
| LMArena Spanish | 1436 | — |
Instruction Following DeepSeek V4 Flash leads
DeepSeek V4 Flash: 74.9 (#81), Muse Glimmer: 72.6 (#135)
| Benchmark | DeepSeek V4 Flash | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1421 | 1375 |
Long Context DeepSeek V4 Flash leads
DeepSeek V4 Flash: 43.8 (#85), Muse Glimmer: 42.1 (#129)
| Benchmark | DeepSeek V4 Flash | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1434 | 1382 |
Writing & Preference DeepSeek V4 Flash leads
DeepSeek V4 Flash: 63.8 (#61), Muse Glimmer: 57.5 (#126)
| Benchmark | DeepSeek V4 Flash | Muse Glimmer |
|---|---|---|
| LMArena Text | 1432 | 1389 |
| LMArena Creative Writing | 1403 | 1339 |
| LMArena Multi-Turn | 1449 | 1399 |
| EQ-Bench Creative Writing | 1559 | — |
Frequently asked questions
Is DeepSeek V4 Flash better than Muse Glimmer?
DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 41.7 on the Noometry Index.
Is DeepSeek V4 Flash or Muse Glimmer better for coding?
DeepSeek V4 Flash scores higher on coding benchmarks: 47.9 versus 40.4 in the Noometry coding category.
How many benchmarks do DeepSeek V4 Flash and Muse Glimmer share?
15 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and Muse Glimmer has 15.