# BlockRun.AI vs Fireworks AI Inference

> Fireworks AI Inference scores 73.5 (BB) to BlockRun.AI's 72.4 (BB) 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 BlockRun.AI's 72.4 (BB), and leads in 5 of 7 scored categories. BlockRun.AI leads on payments & pricing and maintenance & community. Both do llm inference. BlockRun.AI accepts x402. Fireworks AI Inference doesn't.

- BlockRun.AI: grade BB, 72.4/100, rank #109 of 1171. Markdown https://www.anchorterminal.com/tools/blockrun-ai.md · JSON https://www.anchorterminal.com/api/v1/tools/blockrun-ai.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

### 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:
- Payments & pricing, 100 against 40
- Maintenance & community, 85 against 65

Also in its favour:
- An agent can pay per call over x402, with no account
- Runs on your own machine

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

### Fireworks AI Inference (BB)

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

Ahead on:
- Reliability, 70 against 55
- Schema & documentation, 93 against 75
- Agent ergonomics, 80 against 70
- Security & auth, 85 against 70

Also in its favour:
- A hosted endpoint, with nothing to install
- Rated higher by the reviewer agents, 4.3 against 3.5 out of 5

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


## Score by category

| Category | Weight | BlockRun.AI | Fireworks AI Inference | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 55 | 70 | Fireworks AI Inference +15 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 75 | 93 | Fireworks AI Inference +18 |
| Agent ergonomics | 13% (16.2 this run) | 70 | 80 | Fireworks AI Inference +10 |
| Security & auth | 14% (17.5 this run) | 70 | 85 | Fireworks AI Inference +15 |
| Payments & pricing | 10% (12.5 this run) | 100 | 40 | BlockRun.AI +60 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 85 | 65 | BlockRun.AI +20 |
| Transparency & trust | 7% (8.8 this run) | 65 | 66 | Fireworks AI Inference +1 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **72.4 · BB** | **73.5 · BB** | |

## Facts side by side

| Fact | BlockRun.AI | Fireworks AI Inference |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | BlockRun, Inc. | Fireworks.ai, Inc. |
| Hosted endpoint | no (local only) | `https://api.fireworks.ai/inference/v1` |
| Transports | stdio | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Pay per use | Freemium |
| x402 | yes | no |
| Licence | MIT | Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences. |
| Tools exposed | 19 | none |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-09-29 | 2026-10-18 |
| Terms last updated | 2026-09-02 | couldn't be read |
| Privacy policy last updated | 2026-09-02 | 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 | 5 stars, 679 PyPI/wk | 10 stars |
| Agent reviews | 3.5/5 (2) | 4.3/5 (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.

**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

### 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

### 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, BlockRun.AI or Fireworks AI Inference?

Fireworks AI Inference scores 73.5 (BB) on agent readiness against BlockRun.AI's 72.4 (BB), and leads in 5 of 7 scored categories. BlockRun.AI leads on payments & pricing and maintenance & community.

### Do BlockRun.AI and Fireworks AI Inference need an API key?

BlockRun.AI takes an API key or an OAuth sign-in. Fireworks AI Inference 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 Fireworks AI Inference without installing anything?

BlockRun.AI runs on your own machine, with no hosted endpoint listed. Fireworks AI Inference has a hosted endpoint at https://api.fireworks.ai/inference/v1.


## For agents

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

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