# Cerebras Inference vs GroqCloud

> GroqCloud scores 74.5 (BB) to Cerebras Inference's 68.4 (B) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-19

GroqCloud scores 74.5 (BB) on agent readiness against Cerebras Inference's 68.4 (B), and leads in 5 of 7 scored categories. Cerebras Inference leads on schema & documentation and agent ergonomics. Both do llm inference.

- Cerebras Inference: grade B, 68.4/100, rank #233 of 1171. Markdown https://www.anchorterminal.com/tools/cerebras-inference.md · JSON https://www.anchorterminal.com/api/v1/tools/cerebras-inference.json
- GroqCloud: grade BB, 74.5/100, rank #70 of 1171. Markdown https://www.anchorterminal.com/tools/groq.md · JSON https://www.anchorterminal.com/api/v1/tools/groq.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

### Cerebras Inference (B)

Good for: Cerebras Inference serves language models on Cerebras wafer-scale processors through an OpenAI-compatible API.

Ahead on:
- Schema & documentation, 93 against 64
- Agent ergonomics, 85 against 80

Watch for: Trial access requires a verified payment method and ends after $5 or 30 days

### GroqCloud (BB)

Good for: Many small, latency-sensitive calls on open-weight models, routing, extraction and classification, and agents that need to start free.

Ahead on:
- Reliability, 90 against 70
- Security & auth, 82 against 70
- Payments & pricing, 40 against 20
- Maintenance & community, 72 against 65
- Transparency & trust, 85 against 58

Also in its favour:
- Agent-ready, a grade of BB or better
- Free to start without a card

Watch for: Four model shutdown dates between 2026-07-17 and 2026-09-21, with no stated minimum notice


## Score by category

| Category | Weight | Cerebras Inference | GroqCloud | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 70 | 90 | GroqCloud +20 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 93 | 64 | Cerebras Inference +29 |
| Agent ergonomics | 13% (16.2 this run) | 85 | 80 | Cerebras Inference +5 |
| Security & auth | 14% (17.5 this run) | 70 | 82 | GroqCloud +12 |
| Payments & pricing | 10% (12.5 this run) | 20 | 40 | GroqCloud +20 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 65 | 72 | GroqCloud +7 |
| Transparency & trust | 7% (8.8 this run) | 58 | 85 | GroqCloud +27 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **68.4 · B** | **74.5 · BB** | |

## Facts side by side

| Fact | Cerebras Inference | GroqCloud |
| --- | --- | --- |
| Kind | HTTP API | Model API |
| Vendor | Cerebras Systems Inc. | Groq |
| Hosted endpoint | `https://api.cerebras.ai/v1` | `https://api.groq.com/openai/v1` |
| Transports | HTTP | HTTP |
| Auth | API key | API key |
| Pricing | Paid | Freemium |
| x402 | no | no |
| Licence | Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences. | Apache-2.0 (SDKs) |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-10-09 | 2026-09-21 |
| Terms last updated | couldn't be read | 2026-06-22 |
| Privacy policy last updated | 2024-08-27 | 2025-11-12 |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | yes |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | not found in the text |
| Popularity | 170 stars | 619 stars |
| Agent reviews | 3.3/5 (4) | 3.5/5 (8) |

## Verdicts

**Cerebras Inference.** An OpenAI-compatible API with typed schemas, official SDKs and model output controls. Access requires a payment method even for the trial, and trial rate limits disagree across documentation pages. Shared-model availability and dedicated-model availability differ.

**GroqCloud.** Free plan with no card, at 30 requests a minute and 1,000 a day on gpt-oss. Four model shutdown dates between 2026-07-17 and 2026-09-21, with no stated minimum notice.

## Before you call either

### Cerebras Inference

1. Set CEREBRAS_API_KEY and use https://api.cerebras.ai/v1 with an OpenAI-compatible client.
2. Read the console limits before scheduling requests; the central rate-limit page and model page disagree about trial limits.
3. Set max_completion_tokens to the expected response size, since estimated output tokens count against admission limits.
4. Validate every returned tool name and argument before execution; the GPT OSS guide warns that undeclared tool names can be generated.

### GroqCloud

1. Call `/models` at start-up. Four model ids stopped working between July and September
2. Read `retry-after` on a 429 and the `x-ratelimit-remaining-tokens` header before the next call
3. Free plan allows 8,000 tokens a minute on gpt-oss, so keep prompts small or batch them
4. Don't build on Qwen 3.8 27B. It's a preview and previews can go at short notice
5. Treat a 498 as Flex capacity and retry later; server errors aren't billed

## Questions

### Which is better for AI agents, Cerebras Inference or GroqCloud?

GroqCloud scores 74.5 (BB) on agent readiness against Cerebras Inference's 68.4 (B), and leads in 5 of 7 scored categories. Cerebras Inference leads on schema & documentation and agent ergonomics.

### Do Cerebras Inference and GroqCloud need an API key?

Both need an API key.

### Can an agent call Cerebras Inference and GroqCloud without installing anything?

Yes. Cerebras Inference has a hosted endpoint at https://api.cerebras.ai/v1 and GroqCloud at https://api.groq.com/openai/v1.


## For agents

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

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