Llama 3.1 405B Instruct vs MiniMax M3.1 Flash
MiniMax M3.1 Flash leads the LLM Stats Score 48.7 to 14.2. MiniMax M3.1 Flash is 3.4x cheaper per token.
Meta · MiniMax · Updated for 2026
Which is better?
MiniMax M3.1 Flash leads the overall LLM Stats Score 48.7 to 14.2, ranking #29 overall.
On price, MiniMax M3.1 Flash is roughly 3.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
MiniMax M3.1 Flash also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Llama 3.1 405B Instruct
- you need open weights you can self-host or fine-tune
Choose MiniMax M3.1 Flash
- overall performance matters — it scores 48.7 and ranks #29 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- cost matters — it's about 3.4x cheaper per token
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Oct 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
18 reported for Llama 3.1 405B Instruct · 15 for MiniMax M3.1 Flash
Llama 3.1 405B Instruct and MiniMax M3.1 Flashdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Llama 3.1 405B Instruct ($0.89/1M tokens) is 5.9x more expensive than MiniMax M3.1 Flash ($0.15/1M tokens).
For output processing, Llama 3.1 405B Instruct ($0.89/1M tokens) is 1.5x more expensive than MiniMax M3.1 Flash ($0.60/1M tokens).
In conclusion, Llama 3.1 405B Instruct is more expensive than MiniMax M3.1 Flash.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
MiniMax M3.1 Flash accepts 1,000,000 input tokens compared to Llama 3.1 405B Instruct's 128,000 tokens. MiniMax M3.1 Flash can generate longer responses up to 524,288 tokens, while Llama 3.1 405B Instruct is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
MiniMax M3.1 Flash supports multimodal inputs, whereas Llama 3.1 405B Instruct does not.
MiniMax M3.1 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.
Llama 3.1 405B Instruct
MiniMax M3.1 Flash
License
Usage and distribution terms
Llama 3.1 405B Instruct is licensed under Llama 3.1 Community License, while MiniMax M3.1 Flash uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Llama 3.1 Community License
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Llama 3.1 405B Instruct was released on 2024-07-23, while MiniMax M3.1 Flash was released on 2026-10-19.
MiniMax M3.1 Flash is 27 months newer than Llama 3.1 405B Instruct.
Jul 23, 2024
2.2 years ago
Oct 19, 2026
1 days ago
2.2yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Llama 3.1 405B Instruct is available from Lambda, DeepInfra, Fireworks, Bedrock, Together, Hyperbolic, Google, Replicate. MiniMax M3.1 Flash is available from MiniMax.
Llama 3.1 405B Instruct
MiniMax M3.1 Flash
Outputs Comparison
Judge for yourself.
Run your own prompts against Llama 3.1 405B Instruct and MiniMax M3.1 Flash side-by-side, then vote on the output you prefer.
FAQ
Common questions about Llama 3.1 405B Instruct vs MiniMax M3.1 Flash.