MiniMax · Open weights
MiniMax M3 Thinking
MiniMax M3 Thinking is the adaptive-thinking version of MiniMax's open-weights frontier model for coding, agent workflows, tool use, long-context tasks, and native multimodal understanding. MiniMax reports 59.0% on SWE-Bench Pro and 66.0% on Terminal Bench 2.1, with Sparse Attention designed to scale context to 1M.
- Reasoning
- Tools
- Vision
- Structured output
- Input
- Text, Images
- Output
- Text
- Discovery tier
- Open weights
Pricing
USD per 1M tokens- Input
- $0.23
- Output
- $0.96
- Cache read
- $0.05
Reference prices as published by the model provider. API example
Specifications
- Context window
- 512K
- Max output
- 80K
- Average output (7 days)
- 1.9K tokens
- Longer than 90% of 465 models
Side by side
MiniMax M3 Thinking compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| MiniMax M3 ThinkingMiniMaxThis model | MiniMax M3MiniMaxRemove | |
|---|---|---|
| Provider | MiniMax | MiniMax |
| Discovery tier | Open weights | Open weights |
| Added | Jun 1, 2026 | Jun 1, 2026 |
| Limits | ||
| Context window | 512K | 512K |
| Max output | 80K | 80K |
| Average output | 1.9K tokens | 491 tokens |
| Pricing, USD per 1M tokens | ||
| Input | $0.23 | $0.23 |
| Output | $0.96 | $0.96 |
| Cache read | $0.05 | $0.05 |
| Performance | ||
| Throughput | 218.4 tok/sBest | 83.2 tok/s |
| Time to first token | 7.2 s | 3.0 sBest |
| Request success (24h) | 99.9% | 99.9% |
| Benchmark indexes | ||
| Intelligence Index | 29.2 | 29.2 |
| Coding Index | 58.6 | 58.6 |
| Capabilities | ||
| Reasoning | Yes | No |
| Tools | Yes | Yes |
| Vision | Yes | Yes |
| Structured output | Yes | Yes |
| Reasoning effort | — | — |
Public evaluations
Benchmarks
Independent evaluation results, with how each score ranks among the models in the Noumen catalog.
- MiniMax M3 Thinking
- MiniMax M3
Intelligence Index
- MiniMax M3 Thinking29.2
- MiniMax M329.2
MiniMax M3 Thinking: Better than 70% of 326 scored models
Indexes
Coding Index
Composite of the coding evaluations
- MiniMax M3 Thinking: 58.6Top
- MiniMax M3: 58.6Top
Agentic work
AutomationBench-AA
Workflow automation, penalized for guardrail violations
- MiniMax M3 Thinking: 21.3%Top
- MiniMax M3: 21.3%Top
AutomationBench-AA tasks completed
Workflows finished end to end without a guardrail violation
- MiniMax M3 Thinking: 4.4%Top
- MiniMax M3: 4.4%Top
Harvey LAB-AAv1.1
Legal tasks passed in full, with no material hallucination
- MiniMax M3 Thinking: 0.0%Top
- MiniMax M3: 0.0%Top
AA-Briefcasev1.1
Agentic knowledge work, rated head to head
- MiniMax M3 Thinking: 1,089 EloTop
- MiniMax M3: 1,089 EloTop
GDPval-AAv2.1
Economically valuable occupational tasks, rated head to head
- MiniMax M3 Thinking: 1,243 EloTop
- MiniMax M3: 1,243 EloTop
Document reasoning
GDP.pdf
Professional reasoning over PDF documents, all-pass rate
- MiniMax M3 Thinking: 9.8%Top
- MiniMax M3: 9.8%Top
AA-LCRv1.1
Reasoning across long documents
- MiniMax M3 Thinking: 83.0%Top
- MiniMax M3: 83.0%Top
MLCR-AA
Long-context reasoning over medical records
- MiniMax M3 Thinking: 4.4%Top
- MiniMax M3: 4.4%Top
Reasoning and knowledge
Humanity’s Last Exam
Expert-level questions across academic fields
- MiniMax M3 Thinking: 39.0%Top
- MiniMax M3: 39.0%Top
GPQA Diamond
Graduate-level science questions
- MiniMax M3 Thinking: 92.9%Top
- MiniMax M3: 92.9%Top
IFBench
Following precise output instructions
- MiniMax M3 Thinking: 82.9%Top
- MiniMax M3: 82.9%Top
Coding
Terminal-Benchv4.0
Practical software engineering in a terminal
- MiniMax M3 Thinking: 2.0%Top
- MiniMax M3: 2.0%Top
SciCode
Scientific computing in Python
- MiniMax M3 Thinking: 47.1%Top
- MiniMax M3: 47.1%Top
Legacy evaluations
Terminal-Bench Hard
Earlier terminal task suite
- MiniMax M3 Thinking: 42.4%Top
- MiniMax M3: 42.4%Top
τ²-Bench Telecom
Tool use in a customer-support simulation
- MiniMax M3 Thinking: 88.9%Top
- MiniMax M3: 88.9%Top
AA-LCR (unversioned)
Long-context reasoning, earlier grading
- MiniMax M3 Thinking: 83.0%Top
- MiniMax M3: 83.0%Top
Scores from Artificial Analysis, updated Oct 26, 2026. Artificial Analysis
- MiniMax M3 Thinking
- MiniMax M3
| Leaderboard | MiniMax M3 Thinking | MiniMax M3 |
|---|---|---|
| GPQA Diamond | Not in top 20 | #8 · 90.9% |
Ranks among Noumen catalog models on Epoch AI leaderboards. Only top-20 placements are listed.Epoch AI
- MiniMax M3 Thinking
- MiniMax M3
| Leaderboard | MiniMax M3 Thinking | MiniMax M3 |
|---|---|---|
| Agentic Game Dev | Not in top 20 | #16 · 1124 |
| Full Stack | Not in top 20 | #18 · 1197 |
| Native Apps | Not in top 20 | #17 · 1162 |
Ranks among Noumen catalog models on Design Arena leaderboards. Only top-20 placements are listed.Design Arena
Live routing data
Performance and reliability
Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.
- Throughput
- 218.4 tok/s
- Faster than 86% of 251 models
- Time to first token
- 7.2 s
- Quicker than 18% of 251 models
- Prompt cache hits
- 81.0%
- About $0.0841 per 1M input tokens with caching
- Request success (24h)
- 99.9%
- Reliable
Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.
- Healthy (98% or more)
- Degraded (90–98%)
- Down (under 90%)
- No requests
Developers
Use it through the API
Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.
curl https://www.noumen.xyz/api/v1/chat/completions \
-H "Authorization: Bearer $NOUMEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "minimax/minimax-m3:thinking",
"messages": [{ "role": "user", "content": "Explain this stack trace." }]
}'import os
from openai import OpenAI
client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
model="minimax/minimax-m3:thinking",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)MiniMax
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