DeepSeek-V4-Flash-0731vsMuse Spark 1.1

DeepSeek-V4-Flash-0731
Muse Spark 1.1
Benchmarks
Agentic coding
SWE-Bench Pro
61.5%
Agentic coding
DeepSWE 1.1
53.3%
Agentic terminal coding
Terminal-Bench 2.1
82.7%Best
80%
Multi-step tool use
MCP Atlas
88.1%
Professional tool use
JobBench
54.7%
Personal tool use
Toolathlon-Verified
70.3%
75.6%Best
Cybersecurity
CyberGym
76.7%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
62.1%
Agentic computer use
OSWorld-Verified
80.8%
Business workflows
AutomationBench
25.1%
Agentic financial analysis
Finance Agent v2
57.2%
Agentic legal work
Harvey's Legal Agent Benchmark
20%
Tax questions
TaxEval v2
79.72%
Medical admin work
MedScribe
88.89%
Chart reasoning
CharXiv Reasoning
88.4%
Visual reasoning
BabyVision
76.3%
Community preference
Arena Elo (Text)
1490
Community preference (code)
Arena Elo (Code)
1540
Overview
CompanyDeepSeekMeta
Release dateJul 31 2026Jul 9 2026
AccessProprietaryProprietary

Which is better: DeepSeek-V4-Flash-0731 or Muse Spark 1.1?

DeepSeek-V4-Flash-0731 and Muse Spark 1.1 are evenly matched across the 2 benchmarks they both report (Terminal-Bench 2.1, Toolathlon-Verified). Muse Spark 1.1 shipped 22 days before DeepSeek-V4-Flash-0731, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On Terminal-Bench 2.1, DeepSeek-V4-Flash-0731 leads at 82.7% vs Muse Spark 1.1 at 80%. On Toolathlon-Verified, Muse Spark 1.1 leads at 75.6% vs DeepSeek-V4-Flash-0731 at 70.3%.

Frequently asked questions

DeepSeek-V4-Flash-0731 was released by DeepSeek on Jul 31 2026.

Muse Spark 1.1 was released by Meta on Jul 9 2026.

DeepSeek-V4-Flash-0731 leads on Terminal-Bench 2.1 — DeepSeek-V4-Flash-0731 82.7% vs Muse Spark 1.1 80%.

Other comparisons