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MiniMax M3.1 Flash open-source model released with 428B parameters

By PulseAugur Editorial · [1 sources] ·

MiniMax M3.1 Flash, a new open-source model, has been released with 428 billion parameters, activating 23 billion per token. The model demonstrates significant advancements in agentic tasks, coding, and cybersecurity, achieving high scores on benchmarks like BankerToolBench and DeepSWE v1.1. Its weights are now publicly available through Together. AI

IMPACT This open-source release provides a powerful new tool for agentic tasks and coding, potentially accelerating research and development in these areas.

RANK_REASON Open-source release of a new frontier model with detailed performance metrics. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

Read on X — Together (inference / OSS) →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

MiniMax M3.1 Flash open-source model released with 428B parameters

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Significant
Open-source release of a new frontier model with detailed performance metrics. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
7 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. X — Together (inference / OSS) TIER_1 English(EN) · togethercompute ·

    RT @nutlope: Everything you need to know about MiniMax M3.1 Flash → https://t.co/p9gez6q5Pp.

    RT @nutlope: Everything you need to know about MiniMax M3.1 Flash → https://t.co/p9gez6q5Pp. Now live on @togethercompute! https://t.co/Ng…

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