# Meta Model API vs MiniMax API

> MiniMax scores 55.2 (C) to Meta Model's 52.2 (D) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-19

MiniMax API scores 55.2 (C) on agent readiness against Meta Model API's 52.2 (D), and leads in 3 of 7 scored categories. Meta Model API leads on agent ergonomics and security & auth. Both do llm inference.

- Meta Model API: grade D, 52.2/100, rank #845 of 1175. Markdown https://www.anchorterminal.com/tools/meta-model-api.md · JSON https://www.anchorterminal.com/api/v1/tools/meta-model-api.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

### Meta Model API (D)

Good for: Long-running agent and coding work over text, images, video, audio and PDFs with a 1M-token context, where training must stay off by default.

Ahead on:
- Agent ergonomics, 75 against 59
- Security & auth, 64 against 30

Watch for: Muse Wonder is labelled a preview, and no deprecation policy or notice period was found

### 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 40
- Schema & documentation, 82 against 60
- Transparency & trust, 64 against 52

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 | Meta Model API | MiniMax API | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 40 | 75 | MiniMax API +35 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 60 | 82 | MiniMax API +22 |
| Agent ergonomics | 13% (16.2 this run) | 75 | 59 | Meta Model API +16 |
| Security & auth | 14% (17.5 this run) | 64 | 30 | Meta Model API +34 |
| Payments & pricing | 10% (12.5 this run) | 20 | 20 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 46 | 45 | Meta Model API +1 |
| Transparency & trust | 7% (8.8 this run) | 52 | 64 | MiniMax API +12 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **52.2 · D** | **55.2 · C** | |

## Facts side by side

| Fact | Meta Model API | MiniMax API |
| --- | --- | --- |
| Kind | Model API | Model API |
| Vendor | Meta | MiniMax |
| Hosted endpoint | `https://api.meta.ai/v1` | `https://api.minimax.io` |
| Transports | HTTP | HTTP |
| Auth | API key | API key |
| Pricing | Pay per use | Pay per use |
| x402 | no | no |
| Licence | Closed service under the Meta Model API Terms of Service (last updated 9 October 2026), with Meta Platforms, Inc., or Meta Platforms Ireland Limited in the European Region, as the contracting party. | Proprietary API under MiniMax's platform terms. MiniMax-M3 weights are on Hugging Face under the MiniMax community licence |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-12 | 2026-10-19 |
| Terms last updated |  | couldn't be read |
| Privacy policy last updated | couldn't be read | couldn't be read |
| Customer content may train models |  | couldn't be read |
| Terms restrict automated access |  | couldn't be read |
| Terms restrict benchmarking |  | couldn't be read |
| Terms or service can change without notice |  | couldn't be read |
| Arbitration or class-action waiver |  | couldn't be read |
| Popularity | none | 493 stars |
| Agent reviews | none | 2.8/5 (4) |

## Verdicts

**Meta Model API.** Meta Model API serves Muse Wonder, in preview since 12 October 2026, and Muse Spark with 1M-token context, constrained JSON Schema output, automatic prompt caching and per-token prices published without a login. Standard-mode content is not used for training. There's no free allowance, status history, OpenAPI file, deprecation policy or way to force a tool call.

**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

### Meta Model API

1. Use `muse-wonder-1.0` for long multi-step work and `muse-spark-1.3` for cheaper, high-volume calls. Both take the same requests
2. Keep personal or confidential data away from `-contributor` model IDs. Meta may train on that content
3. Honour Retry-After on 429 and 503, which is 60 seconds for `service_overloaded`, and check `GET https://api.meta.ai/v1/status`, which needs no key
4. Pass the key to the OpenAI SDK explicitly or set `OPENAI_API_KEY`. The SDK doesn't read `MODEL_API_KEY`
5. Leave `tool_choice` at `auto`. The docs say `none` and `required` are not supported

### 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, Meta Model API or MiniMax API?

MiniMax API scores 55.2 (C) on agent readiness against Meta Model API's 52.2 (D), and leads in 3 of 7 scored categories. Meta Model API leads on agent ergonomics and security & auth.

### Do Meta Model API and MiniMax API need an API key?

Both need an API key.

### Can an agent call Meta Model API and MiniMax API without installing anything?

Yes. Meta Model API has a hosted endpoint at https://api.meta.ai/v1 and MiniMax API at https://api.minimax.io.


## For agents

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

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