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Model details

MiniMax M2.1

MiniMax M2.1 is a compact 10-billion activated parameter model built to handle demanding software engineering work with a focus on real-world programming tasks. Its design emphasizes multi-language coding proficiency beyond Python, making it versatile for full-stack development scenarios. The architecture supports reasoning, tool calling, and temperature control—capabilities that position it well for agentic workflows where the model must plan, execute, and adapt across complex tasks. Reviewers and integrations like Clawdbot, which accumulated over 30k GitHub stars shortly after launch, have highlighted its high accuracy in full-stack scenarios, suggesting the model translates efficiently from understanding requirements to generating usable code.

The model emerged from MiniMax's text model family alongside siblings like M2 and M2.7, sharing a lineage aimed at production-grade agentic systems rather than pure research benchmarks. It became available across major inference platforms including AWS SageMaker JumpStart, Atlas Cloud, and Together AI, where FlashAttention-4 integration enables faster inference on NVIDIA Blackwell hardware. Kilo Code adoption data shows meaningful real-world usage, particularly in debug and orchestration modes, indicating developers are trusting it for consequential coding tasks. This broad platform presence and tooling integration suggest MiniMax M2.1 sits at an intersection of efficiency and capability—small enough to run cost-effectively at scale yet strong enough to drive production agentic pipelines.

Vercel AI Gatewayminimax/minimax-m2.1minimax

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Provider
Vercel AI Gateway
Model key
minimax/minimax-m2.1
Release date
Dec 23, 2025
Last updated
Dec 23, 2025
Input modalities
Output modalities
Capabilities

Cost

Input token cost
$0.30
Output token cost
$1.20

Limits

Output tokens
131,072 tokens
Context window
204,800 tokens

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Rates are shown per one million tokens. Combined means one million input plus one million output tokens.

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Latest news about MiniMax M2.1

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Official sourceAnnouncement

On January 22, 2026, MiniMax published a follow-up post on minimax.io titled "MiniMax M2.1: Post-Training Experience and Insights for Agent Models," explicitly naming MiniMax M2.1 as the subject and describing it as the latest flagship open-source model built on further post-training optimization over the M2 generation The same post breaks down M2.1's agentic data synthesis into three categories: real-data-driven synthesis called SWE Scaling, expert-driven synthesis for AppDev, and virtual long-horizon task synthesis called WebExplorer. SWE Scaling is described as leveraging GitHub pull requests and commits as a structured data sourc

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CoverageBenchmark

Kilo Code's product page at kilo.ai/models/minimax-minimax-m2-1 explicitly names MiniMax-M2.1 as a lightweight, state-of-the-art large language model optimized for coding, agentic workflows, and modern application development, noting that with only 10 billion activated parameters it delivers a major jump in real-world The same page reports Kilo Code's PinchBench (OpenClaw) results for MiniMax-M2.1: an average score of 82.7% across 17 of 50 official models, average time of 19m 51s across 33 runs per OpenClaw task, and average cost of $0.168 per benchmark run. Category breakdown shows the best verified PinchBench v2 run scoring 95.1%

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