DeepSeek V4 Flash vs Muse Spark 1.3
DeepSeek V4 Flash 
Muse Spark 1.3 Verdict
- Muse Spark 1.3 leads on quality: 68.2 vs 59.1.
- DeepSeek V4 Flash (high) is stronger in agents & tools, coding, human preference, instruction following, reasoning.
- Muse Spark 1.3 is stronger in composite, knowledge, long context.
- DeepSeek V4 Flash (high) is 7.6× cheaper ($0.262 vs $2.00 per 1M blended).
| Metric | DeepSeek V4 Flash (high) | Muse Spark 1.3 |
|---|---|---|
| BenchLeader Index | 59.1 | 68.2 |
| Agents & tools score | 59.7 | – |
| Coding score | 57.1 | – |
| Composite score | 60.5 | 90.2 |
| Human preference score | 63.0 | – |
| Instruction following score | 71.5 | – |
| Knowledge score | 53.3 | 79.1 |
| Long context score | 62.4 | 68.1 |
| Reasoning score | 63.0 | – |
| Blended price $/M | $0.262 | $2.00 |
| Output speed | 214 tok/s | 228 tok/s |
| Time to first answer | 10.8 s | 31.0 s |
| Context window | 1M | 1.0M |
| SciCode | 42.0% | – |
| WeirdML | 43.8% | – |
| LMArena Text | 1438 | – |
| LMArena Hard Prompts | 1458 | – |
| LMArena Coding | 1479 | – |
| LMArena WebDev | 1580 | – |
| LMArena Agent | 2 | – |
| AA Intelligence Index | 24.8 | 48.2 |
| IFBench | 73.5% | – |
| AA-LCR | 72.0% | 83.0% |
| AA-Omniscience | -23.1 | 25 |
| Terminal-Bench Hard | 38.6% | – |
| GPQA Diamond (AA) | 86.7% | 93.5% |
| Humanity's Last Exam (AA) | 30.3% | 48.7% |
| SciCode (AA) | 40.2% | 58.8% |
| τ²-Bench Telecom (AA) | 95.6% | – |
| PRBench Finance | – | 59.5% |
| PRBench Legal | – | 61.6% |
Data as of 2026-09-15. Best configuration of each model; every score links to its source on the model pages.
DeepSeek V4 Flash vs Muse Spark 1.3: questions
- Is DeepSeek V4 Flash better than Muse Spark 1.3?
- Muse Spark 1.3 leads on quality: 68.2 vs 59.1. The BenchLeader Index combines every independent quality benchmark; Muse Spark 1.3 is ahead overall as of 2026-09-15, but check the category scores for your use.
- Which is cheaper, DeepSeek V4 Flash or Muse Spark 1.3?
- DeepSeek V4 Flash is cheaper: $0.262 against $2.00 per million tokens, blended at three input tokens per output token.
- Which is faster, DeepSeek V4 Flash or Muse Spark 1.3?
- Muse Spark 1.3 streams faster: 228 against 214 output tokens per second.
- Which has the larger context window?
- Muse Spark 1.3 accepts more context: 1.0M against 1M tokens.