# MiniMax M2.5 API

> MiniMax-M2.5 is a MiniMax M2-series language model released in February 2026 for real-world productivity, trained with reinforcement learning across hundreds of thousands of complex real-world environments. MiniMax highlights coding across more than ten languages and the full development lifecycle, planning projects like a software architect before writing code, plus agentic search, tool use and office work. MiniMax now lists it as a legacy model behind M2.7 and M3.

Source: https://www.sandbase.ai/models/minimax/minimax-m2.5
API reference: https://www.sandbase.ai/models/minimax/minimax-m2.5/docs

## Facts

- Provider: MiniMax
- Type: Language model
- Model ID: `minimax/minimax-m2.5`
- Price: $0.30 per 1M input tokens, $1.20 per 1M output tokens
- Context window: 204.8K tokens, up to 131.1K output tokens
- Capabilities: chat, reasoning, structured output, function calling
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

- Chat Completions API: `POST https://api.sandbase.ai/v1/chat/completions`

```bash
curl -X POST https://api.sandbase.ai/v1/chat/completions \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "minimax/minimax-m2.5",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ],
  "max_tokens": 2048
}'
```

## FAQ

### How do I call MiniMax M2.5 through SandBase?

Create a SandBase API key, then send requests with the model ID "minimax/minimax-m2.5" to Chat Completions API (/v1/chat/completions) at https://api.sandbase.ai. The request examples on this page show the exact payload.

### How much does MiniMax M2.5 cost?

$0.30 per 1M input tokens and $1.20 per 1M output tokens, billed per request from your SandBase balance. Discounts, when available, are shown in the pricing on this page.

### What is the context window of MiniMax M2.5?

204.8K tokens of context, with up to 131.1K output tokens per response.

### How does MiniMax M2.5 score on benchmarks?

MiniMax M2.5 scores 22.8 on the Artificial Analysis Intelligence Index (v4.3), ranking #57 of 83 models on SandBase. Source: Artificial Analysis, measured as MiniMax-M2.5.

### Which features does MiniMax M2.5 support?

MiniMax M2.5 supports reasoning, function calling, structured output. See Specifications above for the full list.

### Do I need a separate MiniMax account?

No. One SandBase API key and balance gives you access to MiniMax M2.5 and the other models in the catalog; you do not need to sign up with MiniMax separately.