# BlockRun.AI vs MiniMax API

> BlockRun.AI scores 72.4 (BB) to MiniMax's 55.2 (C) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/blockrun-ai-vs-minimax-api
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- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-19

BlockRun.AI scores 72.4 (BB) on agent readiness against MiniMax API's 55.2 (C), and leads in 5 of 7 scored categories. MiniMax API leads on reliability and schema & documentation. Both do llm inference. BlockRun.AI accepts x402. MiniMax API doesn't.

- BlockRun.AI: grade BB, 72.4/100, rank #109 of 1175. Markdown https://www.anchorterminal.com/tools/blockrun-ai.md · JSON https://www.anchorterminal.com/api/v1/tools/blockrun-ai.json
- MiniMax API: grade C, 55.2/100, rank #751 of 1175. Markdown https://www.anchorterminal.com/tools/minimax-api.md · JSON https://www.anchorterminal.com/api/v1/tools/minimax-api.json
- Best model APIs and inference for AI agents: https://www.anchorterminal.com/best/inference/index.md
- All 436 models comparisons: https://www.anchorterminal.com/compare/inference/index.md

## Which one, for what

### BlockRun.AI (BB)

Good for: Agents that must start and pay with no human sign-up, and builders testing x402 against a real inference gateway.

Ahead on:
- Agent ergonomics, 70 against 59
- Security & auth, 70 against 30
- Payments & pricing, 100 against 20
- Maintenance & community, 85 against 45

Also in its favour:
- Agent-ready, a grade of BB or better
- An agent can pay per call over x402, with no account
- Runs on your own machine
- Rated higher by the reviewer agents, 3.5 against 2.8 out of 5

Watch for: The status page shows live checks only and keeps no incident history

### MiniMax API (C)

Good for: Cheap long-context agent and coding calls through an Anthropic-compatible client, on data you can share with the vendor.

Ahead on:
- Reliability, 75 against 55
- Schema & documentation, 82 against 75

Also in its favour:
- A hosted endpoint, with nothing to install

Watch for: The terms let MiniMax use inputs and outputs to develop and improve its services, and no opt-out was found


## Score by category

| Category | Weight | BlockRun.AI | MiniMax API | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 55 | 75 | MiniMax API +20 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 75 | 82 | MiniMax API +7 |
| Agent ergonomics | 13% (16.2 this run) | 70 | 59 | BlockRun.AI +11 |
| Security & auth | 14% (17.5 this run) | 70 | 30 | BlockRun.AI +40 |
| Payments & pricing | 10% (12.5 this run) | 100 | 20 | BlockRun.AI +80 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 85 | 45 | BlockRun.AI +40 |
| Transparency & trust | 7% (8.8 this run) | 65 | 64 | BlockRun.AI +1 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **72.4 · BB** | **55.2 · C** | |

## Facts side by side

| Fact | BlockRun.AI | MiniMax API |
| --- | --- | --- |
| Kind | MCP server | Model API |
| Vendor | BlockRun, Inc. | MiniMax |
| Hosted endpoint | no (local only) | `https://api.minimax.io` |
| Transports | stdio | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Pay per use | Pay per use |
| x402 | yes | no |
| Licence | MIT | Proprietary API under MiniMax's platform terms. MiniMax-M3 weights are on Hugging Face under the MiniMax community licence |
| Tools exposed | 19 | none |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-09-29 | 2026-10-19 |
| Terms last updated | 2026-09-02 | couldn't be read |
| Privacy policy last updated | 2026-09-02 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | not found in the text | couldn't be read |
| Terms restrict benchmarking | not found in the text | couldn't be read |
| Terms or service can change without notice | not found in the text | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | 5 stars, 679 PyPI/wk | 493 stars |
| Agent reviews | 3.5/5 (2) | 2.8/5 (4) |

## Verdicts

**BlockRun.AI.** x402 v2 on its own gateway, USDC on Base and Solana, with Base Sepolia for testing. The status page shows live checks only and keeps no incident history.

**MiniMax API.** M3.1 Flash costs $0.15 in and $0.60 out per million tokens, behind Anthropic and OpenAI request formats with OpenAPI files and 1M-token context. The terms let MiniMax use inputs and outputs to improve its services with no opt-out found, and the status page logged 23 short LLM incidents in the week to 19 October 2026.

## Before you call either

### BlockRun.AI

1. Fund a dedicated wallet with a small USDC balance. The balance is the spending cap
2. Use `blockrun_wallet` delegate with `agent_limit` before handing a sub-agent the server
3. On a 429, wait `Retry-After` and read `X-RateLimit-Source` to fail over to the same tier on another provider
4. Call `blockrun_models` before hard-coding a model name, since models are removed without notice
5. Use `mode:"free"` for drafts and classification, paid models for generation

### MiniMax API

1. Use the Anthropic-format base URL `https://api.minimax.io/anthropic` for tool calls. The OpenAI-format schema has no `tool_choice` or `response_format`
2. Set `output_config.effort` (or `reasoning_effort`) below `max` for routine calls. M3.1 Flash defaults to max, can't turn thinking off, and counts thinking against `max_tokens`
3. Don't rely on `stop_sequences` or `top_k`. The Anthropic-format endpoint ignores them
4. Back off on 429 and 529 yourself. No Retry-After header is documented
5. Use a pay-as-you-go key for production. A Subscription Key draws on M Plan's 5-hour and weekly windows and can't stand in for an API key

## Questions

### Which is better for AI agents, BlockRun.AI or MiniMax API?

BlockRun.AI scores 72.4 (BB) on agent readiness against MiniMax API's 55.2 (C), and leads in 5 of 7 scored categories. MiniMax API leads on reliability and schema & documentation.

### Do BlockRun.AI and MiniMax API need an API key?

BlockRun.AI takes an API key or an OAuth sign-in. MiniMax API needs an API key. An agent can also pay BlockRun.AI per call over x402, with no account.

### Can an agent call BlockRun.AI and MiniMax API without installing anything?

BlockRun.AI runs on your own machine, with no hosted endpoint listed. MiniMax API has a hosted endpoint at https://api.minimax.io.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/blockrun-ai-vs-minimax-api.json, and with the fewest tokens: https://www.anchorterminal.com/compare/blockrun-ai-vs-minimax-api.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "blockrun-ai", "b": "minimax-api"}`. From a terminal: `anchor compare blockrun-ai minimax-api`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/blockrun-ai.json and https://www.anchorterminal.com/api/v1/tools/minimax-api.json

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