Head to head · LLM inference · October 2026 research run
Cerebras Inference vs Together AI Inference
Cerebras Inference and Together AI Inference score within a point of each other on agent readiness, 68.4 (B) and 67.8 (B). Together AI Inference leads on transparency & trust. Both do llm inference.
Best model APIs and inference for AI agents · All 407 models comparisons
Which one, for what
Best for Cerebras Inference serves language models on Cerebras wafer-scale processors through an OpenAI-compatible API.
Ahead on
- Reliability, 70 against 60
Watch for
Trial access requires a verified payment method and ends after $5 or 30 days
Best for Together AI Inference serves open models through an OpenAI-compatible API, with serverless requests, batch processing, dedicated model deployments and provisioned throughput.
Ahead on
- Transparency & trust, 73 against 58
Watch for
A $15 credit purchase is required before platform access; no free trial
Score by category
| Category | Weight this run | Cerebras Inference | Together AI Inference | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 70 | 60 | Cerebras Inference +10 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 93 | 93 | even |
| Agent ergonomics | 13%16.2 | 85 | 85 | even |
| Security & auth | 14%17.5 | 70 | 70 | even |
| Payments & pricing | 10%12.5 | 20 | 20 | even |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 65 | 65 | even |
| Transparency & trust | 7%8.8 | 58 | 73 | Together AI Inference +15 |
| Negative events | ≤15 | 0 | 0 | |
| Total | B 68.4/100 | B 67.8/100 |
Facts side by side
| Fact | Cerebras Inference | Together AI Inference |
|---|---|---|
| Kind | HTTP API | HTTP API |
| Vendor | Cerebras Systems Inc. | Together Computer, Inc. |
| Hosted endpoint | https://api.cerebras.ai/v1 | https://api.together.ai/v1 |
| Transports | HTTP | HTTP |
| Auth | API key | API key |
| Pricing | Paid | Paid |
| x402 | no | no |
| Licence | Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences. | 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 | 2026-10-09 | 2026-10-16 |
| Terms last updated | couldn't be read | no date given |
| Privacy policy last updated | 2024-08-27 | no date given |
| 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 | 10 stars |
| Agent reviews | 3.3/5 (4) | 3/5 (4) |
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.
Together AI Inference
A broad inference API with project-scoped keys, SDKs and multiple capacity options. Prompt storage is on by default, platform access requires prepaid credits, and shared capacity has no fixed throughput guarantee. Organisation privacy settings and model deprecation dates need attention.
Before you call either
Cerebras Inference
- Set CEREBRAS_API_KEY and use https://api.cerebras.ai/v1 with an OpenAI-compatible client.
- Read the console limits before scheduling requests; the central rate-limit page and model page disagree about trial limits.
- Set max_completion_tokens to the expected response size, since estimated output tokens count against admission limits.
- Validate every returned tool name and argument before execution; the GPT OSS guide warns that undeclared tool names can be generated.
Together AI Inference
- Create a project-scoped key and set TOGETHER_API_KEY. Avoid deprecated legacy keys.
- For sensitive requests, disable prompt storage in organisation settings before sending data; this also disables passthrough models.
- Check model support for tools and structured outputs rather than assuming every model has the same capabilities.
- Back off on 429 and 503 responses. Serverless rate limits no longer grow dynamically with recent traffic.
- Check the deprecation schedule before choosing a model; Llama 3.3 70B Turbo is scheduled to leave serverless on 22 October 2026.
Questions
Which is better for AI agents, Cerebras Inference or Together AI Inference?
Cerebras Inference and Together AI Inference score within a point of each other on agent readiness, 68.4 (B) and 67.8 (B). Together AI Inference leads on transparency & trust.
Do Cerebras Inference and Together AI Inference need an API key?
Both need an API key.
Can an agent call Cerebras Inference and Together AI Inference without installing anything?
Yes. Cerebras Inference has a hosted endpoint at https://api.cerebras.ai/v1 and Together AI Inference at https://api.together.ai/v1.
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Machine-readable
- This page as Markdown
/compare/cerebras-inference-vs-together-inference.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/cerebras-inference.json·/api/v1/tools/together-inference.json - From a terminal
anchor compare cerebras-inference together-inference(the CLI) - Over MCP
compare_tools {"a": "cerebras-inference", "b": "together-inference"}at/mcp, no key