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MiniMax-M3 Free API on OpenCode Zen

Free API Verified
★★★★★★★★★★ 3.5 Benchmark-backed score

MiniMax multimodal model for long-context coding, perception, and agent planning

Free APIOpenAI compatibleReasoningTool callingJSON modeVisionReasoning
API Details

Copy-ready connection details

Use these values in your client or SDK.
Base URL
https://opencode.ai/zen/v1
Model ID
minimax-m3
API format OpenAI Chat Completions
Technical Details

MiniMax-M3 specifications

Provider and model catalog
Context window 1.0M
Max output 512K
Status Online
Family minimax
Released Jun 1, 2026
Last updated Jun 1, 2026
Free listing since Jun 1, 2026
Input text, image, video
Output text
Capabilities reasoning, tool calling, structured output, file attachments, temperature control
Open weights Yes

External benchmark references

Benchmark Score Metric Date
SWE-Bench Verified 80.5 resolved 2026-06-01
SWE-Bench Pro 59 resolve rate 2026-06-01
Terminal-Bench 66 success rate 2026-06-01
BrowseComp 83.52 accuracy 2026-06-01
AI Recommendation

Should you use MiniMax-M3?

MiniMax-M3 is listed for chat workloads and supports a 1.0M context window.

Use it when OpenCode Zen's free tier is enough for evaluation, demos, or light production traffic.

Best for
  • Chat
Benchmark Overview

Benchmark signals for MiniMax-M3

Measured data
Intelligence General reasoning and instruction following
29.2/100
Coding Programming and code generation
58.6/100
Agentic Tool use and multi-step tasks
29.5/100
Speed Observed generation speed
97 tok/s
Context Maximum listed context window
1.0M
Pricing

MiniMax-M3 pricing per 1M tokens

Free tier listed
Input $0.3 per 1M tokens
Output $1.2 per 1M tokens
Access Available OpenCode Zen
Typical Use Cases

MiniMax-M3 use cases

Chat

MiniMax-M3 is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

MiniMax-M3 free API FAQ

Is MiniMax-M3 free to use?

MiniMax-M3 is listed with free API access on OpenCode Zen, subject to the provider's quota and account policy.

What is the MiniMax-M3 model ID?

The model ID shown in this catalog is minimax-m3.

What context window does MiniMax-M3 support?

The listed context window is 1.0M tokens with up to 512K output tokens.

More about MiniMax-M3

Free MiniMax-M3 API.

For API keys, setup steps, and provider-level limits, see the OpenCode Zen provider page.