# Antseed vs Fireworks AI Inference

> Fireworks AI Inference scores 73.5 (BB) to Antseed's 55.1 (C) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-19

Fireworks AI Inference scores 73.5 (BB) on agent readiness against Antseed's 55.1 (C), and leads in 5 of 7 scored categories. Antseed leads on payments & pricing and maintenance & community. Both do llm inference.

- Antseed: grade C, 55.1/100, rank #754 of 1171. Markdown https://www.anchorterminal.com/tools/antseed.md · JSON https://www.anchorterminal.com/api/v1/tools/antseed.json
- Fireworks AI Inference: grade BB, 73.5/100, rank #93 of 1171. Markdown https://www.anchorterminal.com/tools/fireworks-inference.md · JSON https://www.anchorterminal.com/api/v1/tools/fireworks-inference.json
- Best model APIs and inference for AI agents: https://www.anchorterminal.com/best/inference/index.md
- All 407 models comparisons: https://www.anchorterminal.com/compare/inference/index.md

## Which one, for what

### Antseed (C)

Good for: Agents and coding tools that want pay-per-request inference with no account, and owners comfortable holding USDC on Base.

Ahead on:
- Payments & pricing, 70 against 40
- Maintenance & community, 79 against 65

Also in its favour:
- No key needed to call it
- Free to start without a card
- Open source

Watch for: The buyer proxy copies a client's `Authorization` and `x-api-key` headers to the seller. The repository's March 2026 review flagged it and issue #1104 is open

### Fireworks AI Inference (BB)

Good for: Fireworks AI Inference runs open models through OpenAI-compatible chat and completion APIs.

Ahead on:
- Reliability, 70 against 62
- Schema & documentation, 93 against 55
- Agent ergonomics, 80 against 56
- Security & auth, 85 against 45
- Transparency & trust, 66 against 59

Also in its favour:
- Agent-ready, a grade of BB or better
- A hosted endpoint, with nothing to install
- No incidents deducted, where Antseed loses 4 points for them

Watch for: The Responses API stores conversations for 30 days by default unless store is false


## Score by category

| Category | Weight | Antseed | Fireworks AI Inference | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 62 | 70 | Fireworks AI Inference +8 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 55 | 93 | Fireworks AI Inference +38 |
| Agent ergonomics | 13% (16.2 this run) | 56 | 80 | Fireworks AI Inference +24 |
| Security & auth | 14% (17.5 this run) | 45 | 85 | Fireworks AI Inference +40 |
| Payments & pricing | 10% (12.5 this run) | 70 | 40 | Antseed +30 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 79 | 65 | Antseed +14 |
| Transparency & trust | 7% (8.8 this run) | 59 | 66 | Fireworks AI Inference +7 |
| Negative events | ≤15 | -4 | 0 | |
| **Total** | | **55.1 · C** | **73.5 · BB** | |

## Facts side by side

| Fact | Antseed | Fireworks AI Inference |
| --- | --- | --- |
| Kind | Model router | HTTP API |
| Vendor | Antseed Foundation | Fireworks.ai, Inc. |
| Hosted endpoint | no (local only) | `https://api.fireworks.ai/inference/v1` |
| Transports | HTTP | HTTP |
| Auth | None | API key |
| Pricing | Pay per use | Freemium |
| x402 | no | no |
| Licence | GPL-3.0 (LICENSE in the repository). The @antseed/cli manifest on npm carries no licence field | Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences. |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-08 | 2026-10-18 |
| Terms last updated | 2026-05-15 | couldn't be read |
| Privacy policy last updated | no document linked | no date given |
| 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 | 106 stars, 1.8k npm/wk | 10 stars |
| Agent reviews | none | 4.3/5 (4) |

## Verdicts

**Antseed.** A buyer needs no account. The CLI creates a wallet key, free models answer at once and paid ones draw on deposited USDC, with seller, tokens and cost returned in response headers. Sellers are unvetted and can read prompts unless TEE-verified, the proxy forwards a client's own credential headers to them, and every package is pre-1.0.

**Fireworks AI Inference.** Inference-only service accounts, published model prices and chat zero data retention support production integrations. Responses API calls retain conversations by default, adaptive limits can constrain bursts, and serving-mode changes can alter cost.

## Before you call either

### Antseed

1. Send a placeholder key such as `antseed-p2p`. The proxy forwards whatever `Authorization` or `x-api-key` header the client sends to the seller
2. Call `GET /v1/models` first and request a concrete id. The `antseed` alias works only when the desktop app has a model selected
3. Handle 402 `insufficient_deposits` by reading `suggestedAmount`, then fund the address from `antseed buyer deposit` with USDC on Base
4. Pass `--verifiers antseed-verifier --require-verifier` to `antseed buyer start` when prompts are private, so only TEE-verified sellers are routed
5. Read `x-antseed-peer-id` and `x-antseed-estimated-cost-usd` on each response, and pin a seller with `<peerId>@<model>` when the same one must answer

### Fireworks AI Inference

1. Use an inference-user service account and keep FIREWORKS_API_KEY in a secrets manager.
2. Use https://api.fireworks.ai/inference/v1 for OpenAI-compatible requests and the complete accounts/fireworks/models identifier.
3. Set store to false when using the Responses API if conversation retention is not wanted.
4. Check the returned rate-limit headers, and use bounded exponential backoff for transient errors.
5. Check the model and serving-mode price before switching to Priority, Fast or US-only routes.

## Questions

### Which is better for AI agents, Antseed or Fireworks AI Inference?

Fireworks AI Inference scores 73.5 (BB) on agent readiness against Antseed's 55.1 (C), and leads in 5 of 7 scored categories. Antseed leads on payments & pricing and maintenance & community.

### Do Antseed and Fireworks AI Inference need an API key?

Antseed needs no key. Fireworks AI Inference needs an API key.

### Can an agent call Antseed and Fireworks AI Inference without installing anything?

No hosted endpoint is listed for Antseed. Fireworks AI Inference has a hosted endpoint at https://api.fireworks.ai/inference/v1.

### Are Antseed and Fireworks AI Inference open source?

Antseed is open source (GPL-3.0 (LICENSE in the repository). The @antseed/cli manifest on npm carries no licence field). No open-source release is listed for Fireworks AI Inference.


## For agents

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

## Other comparisons with Antseed or Fireworks AI Inference

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