DeepSeek V4.1 Flash vs Muse Spark 1.2 Contributor
Detailed technical comparison between DeepSeek V4.1 Flash (DeepSeek) and Muse Spark 1.2 Contributor (Meta). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Tie
Equal CapacityTie
Equal CapabilityTie
Equal SpeedMuse Spark 1.2 Contributor
$0.10 / MTokDeepSeek V4.1 Flash
DeepSeek V4.1 Flash is an advanced artificial intelligence model engineered by DeepSeek. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, DeepSeek V4.1 Flash represents a key architectural iteration in the DeepSeek model family. First released in 2026-09-10, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,048,576 tokens (approximately 1,398 words), DeepSeek V4.1 Flash processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Muse Spark 1.2 Contributor
Muse Spark 1.2 Contributor is an advanced artificial intelligence model engineered by Meta. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Muse Spark 1.2 Contributor represents a key architectural iteration in the Meta model family. First released in 2026-08-21, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,048,576 tokens (approximately 1,398 words), Muse Spark 1.2 Contributor processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.
Technical Specifications
🏆 = Superior Spec| Specification | DeepSeek V4.1 Flash | Muse Spark 1.2 Contributor |
|---|---|---|
| Provider | DeepSeek | Meta |
| Context Window | 1,048,576 tokens | 1,048,576 tokens |
| Agent Suitability | Not yet benchmarked | Not yet benchmarked |
| Time to First Token (TTFT) | No public TTFT data | No public TTFT data |
| Deployment Model | self hostable | managed api |
| Production Stability | Beta Access (est.) | Beta Access (est.) |
| API Available | Yes | Yes |
| Released Date | 2026-09-10 | 2026-08-21 |
API Pricing Comparison
Input Price per Million Tokens
DeepSeek V4.1 Flash
$0.15
Muse Spark 1.2 Contributor
$0.10
Output Price per Million Tokens
DeepSeek V4.1 Flash
$0.60
Muse Spark 1.2 Contributor
$0.20
💡 Cost Ratio: Muse Spark 1.2 Contributor is 1.5x cheaper per input token than DeepSeek V4.1 Flash.
Want to test both models live?
Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
DeepSeek V4.1 Flash Quirks & Gotchas
No developer gotchas reported.
Muse Spark 1.2 Contributor Quirks & Gotchas
No developer gotchas reported.
Explore Other Popular Comparisons
DeepSeek V4.1 Flash vs Fugu Max
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWDeepSeek V4.1 Flash vs Fugu Ultra v2
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWDeepSeek V4.1 Flash vs Ling 3.0 Flash VL
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWDeepSeek V4.1 Flash vs Mercury 2.5
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWDeepSeek V4.1 Flash vs GPT-6 Astra Pro
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWDeepSeek V4.1 Flash vs GPT-6 Astra
Compare context windows, live API token prices, and benchmark scores.