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MiniMax-M3

Canonical page on the main site: chinaaihub.com/models/minimax-m3

Provider

minimax

Model Family

MiniMax M-series

Release Date

2026-06-01

Status

active

Architecture

Mixture-of-Experts: ~428B total / ~23B activated; MiniMax Sparse Attention (MSA) with claimed 9x prefill and 15x decode speedup vs M2 at 1M context

Parameter Information

  • total_parameters: ~428B
  • active_parameters: ~23B

Context Window

1048576

Capabilities

  • reasoning: Yes
  • coding: Yes
  • vision: Yes
  • video: Yes
  • tool_calling: Yes
  • agent_capability: Yes

Open Weight

Yes

License

MiniMax Community License (custom): free for non-commercial use; commercial use requires prominent attribution 'Built with MiniMax M3' plus written authorization from MiniMax if yearly revenue exceeds US$20M (otherwise a one-time notice to api@minimax.io)

Self Hosting

Yes

Api Available

Yes

Pricing

  • input_price_per_1m: 0.3
  • output_price_per_1m: 1.2
  • currency: USD
  • pricing_ref: minimax

Official Api

Yes

Cloud Providers

  • MiniMax Platform

Regions

  • china
  • international

Benchmark Results

benchmark score metric date source_type source_url
BrowseComp 83.5 accuracy 2026-06-01 vendor_reported https://www.minimax.cn/models/text/m3
PostTrainBench 37.1 accuracy 2026-06-01 vendor_reported https://www.minimax.cn/models/text/m3
SWE-bench Pro 59.0 accuracy 2026-06-01 vendor_reported https://www.minimax.cn/blog/minimax-m3
Terminal-Bench 2.1 66.0 accuracy 2026-06-01 vendor_reported https://www.minimax.cn/blog/minimax-m3
MCP Atlas 74.2 accuracy 2026-06-01 vendor_reported https://www.minimax.cn/blog/minimax-m3

Known Limitations

  • Max output tokens not publicly disclosed in official docs
  • 1M context with at least 512K guaranteed usable; pricing splits at the 512K input boundary
  • Thinking is disabled by default (thinking=adaptive enables it)
  • Benchmarks vendor-reported; not independently verified

Last Verified

2026-09-20

Sources

source_name source_url source_type last_verified confidence published_date
MiniMax API platform — model overview (CN) https://platform.minimaxi.com/docs/guides/models-intro official 2026-09-20 high
MiniMax official M3 model page https://www.minimax.cn/models/text/m3 official 2026-09-20 high
MiniMax M3 official blog post https://www.minimax.cn/blog/minimax-m3 official 2026-09-20 high 2026-06-01
Hugging Face model card — MiniMax-M3 https://huggingface.co/MiniMaxAI/MiniMax-M3 official 2026-09-20 high