DeepSeek-V4-Flash-0423 vs Muse Spark Open
Muse Spark Open leads the LLM Stats Score 45.3 to 35.9. DeepSeek-V4-Flash-0423 is 17.8x cheaper per token.
DeepSeek · Meta · Updated for 2026
Which is better?
Muse Spark Open leads the overall LLM Stats Score 45.3 to 35.9, ranking #42 overall.
In the 2 individual benchmarks reported for both models, Muse Spark Open wins 2; this is a narrower head-to-head signal than the composite indexes.
On price, DeepSeek-V4-Flash-0423 is roughly 17.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose DeepSeek-V4-Flash-0423
- cost matters — it's about 17.8x cheaper per token
Choose Muse Spark Open
- overall performance matters — it scores 45.3 and ranks #42 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
- you want the most recent training data — it shipped Oct 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
19 reported for DeepSeek-V4-Flash-0423 · 17 for Muse Spark Open
DeepSeek-V4-Flash-0423 outperforms in 0 benchmarks, while Muse Spark Open is better at 2 benchmarks (GPQA, MCP Atlas).
Muse Spark Open significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-V4-Flash-0423 ($0.09/1M tokens) is 13.9x cheaper than Muse Spark Open ($1.25/1M tokens).
For output processing, DeepSeek-V4-Flash-0423 ($0.18/1M tokens) is 23.6x cheaper than Muse Spark Open ($4.25/1M tokens).
In conclusion, Muse Spark Open is more expensive than DeepSeek-V4-Flash-0423.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Muse Spark Open has 532.0B more parameters than DeepSeek-V4-Flash-0423, making it 187.3% larger.
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Both models can generate responses up to 1,048,576 tokens.
Input capabilities
Documented input modalities across available providers
Muse Spark Open supports multimodal inputs, whereas DeepSeek-V4-Flash-0423 does not.
Muse Spark Open can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-V4-Flash-0423
Muse Spark Open
License
Usage and distribution terms
DeepSeek-V4-Flash-0423 is licensed under MIT, while Muse Spark Open uses Muse Model License.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Muse Model License
Open weights
Release Timeline
When each model was launched
DeepSeek-V4-Flash-0423 was released on 2026-04-23, while Muse Spark Open was released on 2026-10-15.
Muse Spark Open is 6 months newer than DeepSeek-V4-Flash-0423.
Apr 23, 2026
5 months ago
Oct 15, 2026
4 days ago
5mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
DeepSeek-V4-Flash-0423 is available from DeepInfra, Novita. Muse Spark Open is available from Together.
DeepSeek-V4-Flash-0423
Muse Spark Open
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V4-Flash-0423 and Muse Spark Open side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V4-Flash-0423 vs Muse Spark Open.