DeepSeek-V4-Flash-0731 vs Muse Spark 1.2: Specs & Benchmark Comparison
DeepSeek-V4-Flash-0731 is developed by DeepSeek, while Muse Spark 1.2 comes from Meta. DeepSeek-V4-Flash-0731 was released in July 2026, and Muse Spark 1.2 followed a month later in August 2026. DeepSeek-V4-Flash-0731 has a published size of about 304 billion parameters; Meta has not disclosed the parameter count of Muse Spark 1.2.
We have 9 benchmark results for DeepSeek-V4-Flash-0731 and 3 benchmark results for Muse Spark 1.2, but they overlap on a single test: Terminal-Bench 2.1, where Muse Spark 1.2 scores 83.0% against 83.0%.
Muse Spark 1.2 is the cheaper API at $0.10 per million input tokens and $0.20 per million output tokens, about 40% below DeepSeek-V4-Flash-0731 at $0.14 and $0.28. Both accept a context window of about 1M tokens. DeepSeek-V4-Flash-0731 accepts text as input, while Muse Spark 1.2 accepts text and images.
| Characteristic | DeepSeek-V4-Flash-0731 | Muse Spark 1.2 |
|---|---|---|
| Company | DeepSeek | Meta |
| Release Date | July 31, 2026 | August 5, 2026 |
| Parameters | 304B | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 393K | 131K |
| Input Price / 1M | $0.14 | $0.10 |
| Output Price / 1M | $0.28 | $0.20 |
| Average Score | 57.5% | 71.0% |
| Benchmarks | ||
| Terminal-Bench 2.1 | 83.0% | 83.0% |
Visual Benchmark Comparison
Verdict
Muse Spark 1.2 leads in 1 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Flash-0731 — 0.6, Muse Spark 1.2 — 0.7.
Muse Spark 1.2 is 1.4x cheaper: input $0.10/1M vs $0.14/1M tokens.
Same context size: 1M tokens.
Both models were released around the same time: 7/31/2026 and 8/5/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-0731 or Muse Spark 1.2?
Which model is cheaper — DeepSeek-V4-Flash-0731 or Muse Spark 1.2?
Which has a larger context window — DeepSeek-V4-Flash-0731 or Muse Spark 1.2?
The DeepSeek-V4-Flash-0731 and Muse Spark 1.2 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V4-Flash-0731 or Muse Spark 1.2 page. See also the complete list of AI model comparisons.