Comparisons · LLM APIs
Groq vs OpenAI: Which Should You Use in 2026?
By use case: Groq for fast open-model inference; OpenAI for OpenAI's own models. Neither is hands-on tested by us.
Decision box
| Best for non-coders | No pick | Both are developer APIs. |
|---|---|---|
| Best for developers | No pick | Our sources don't support a general pick. |
| Best for low-latency inference on open models | Groq Not reviewed | Groq publishes per-model speeds (e.g. GPT OSS 20B ~1000 tokens/s) for open models. |
| Cheapest | Not comparable | Can't compare: both bill per 1M tokens, but for different models (Groq hosts open models such as GPT OSS; OpenAI prices its own GPT models). |
| Our pick | No pick | By use case: Groq for fast open-model inference; OpenAI for OpenAI's own models. Neither is hands-on tested by us. |
- Groq Not reviewed: Free plan (rate-limited); pay per token, e.g. GPT OSS 20B $0.075/1M input official pricing ↗ · price checked 2026-10-23
- OpenAI Not reviewed: Pay per token, e.g. GPT-6 Luna $0.10/1M input; GPT-6.1 Sol $2/1M input official pricing ↗ · price checked 2026-10-23
Labels come from our review status: "Tried it" means we tested it hands-on; "Community-verified" means cited builder feedback, not our own test. Picks use official docs and pricing, plus our own test only for "Tried it" tools. · Groq supported models and prices ↗
Choose Groq if…
- Groq publishes per-model speeds (e.g. GPT OSS 20B ~1000 tokens/s) for open models.
Choose OpenAI if…
- No category win from our sources. See the decision box and official pricing above.
FAQ
Which is cheaper, Groq or OpenAI?
Can't compare: both bill per 1M tokens, but for different models (Groq hosts open models such as GPT OSS; OpenAI prices its own GPT models).
Should a non-coder use Groq or OpenAI?
Both are developer APIs.
Which is better for developers, Groq or OpenAI?
Our sources don't support a general pick.
Which should I use for low-latency inference on open models?
Groq publishes per-model speeds (e.g. GPT OSS 20B ~1000 tokens/s) for open models.
Sources
Community feedback is linked as cited; prices come only from official pricing pages.