OpenRouter vs NVIDIA NIM: free tiers compared

Both columns come from each provider’s own pages, with the day each line was read. Where a page does not state a value, the cell says so.

OpenRouter and NVIDIA NIM free tiers side by side
Line	OpenRouterFree tier	NVIDIA NIMFree tier
Free allowance	20 req/min · 50 req/day 1,000 req/day once the account has bought at least 10 credits. 3 Oct	Not published The product page publishes no rate limit and no credit amount. 3 Oct
Requests / min	20 All free model variants together. 3 Oct	Not published Not published. 3 Oct
Requests / day	50 1,000/day once the account has bought at least 10 credits. 3 Oct	Not published Not published. 3 Oct
Tokens / min	Not published The limits page counts requests, not tokens. 3 Oct	Not published Not published. 3 Oct
Tokens / day	Not published The limits page counts requests, not tokens. 3 Oct	Not published Not published. 3 Oct
Card to start	Not required The 50 req/day ceiling applies to accounts that bought fewer than 10 credits, so no purchase is needed. 3 Oct	Not verified
Trains on your data	Your setting An account setting decides whether requests may be routed to providers that train on your data, with a separate switch for free models. 3 Oct	Not verified
Commercial use	Not verified	Not for production Free access covers development, testing, research and evaluation. Production use needs an NVIDIA AI Enterprise licence. 3 Oct
OpenAI SDK	Yes 3 Oct	Not verified
Image input	Yes Several free variants list image input; see the free model list. 3 Oct	Not verified

17 of 24 cells above were read on the provider’s own page in the last 30 days (oldest check: 3 Oct 2026). Each check mark opens that page. The other 7 say “not verified” instead of repeating a number from someone else’s article.

Where they differ

OpenRouter publishes its requests per minute (20); NVIDIA NIM does not publish that figure.
OpenRouter publishes its requests per day (50); NVIDIA NIM does not publish that figure.
NVIDIA NIM commercial use: not for production. Free access covers development, testing, research and evaluation. Production use needs an NVIDIA AI Enterprise licence.
Image input is confirmed on OpenRouter and not confirmed on NVIDIA NIM.

Only differences confirmed on both sides are listed. We do not rank speed or output quality: this site does not measure them.

Other comparisons

Questions and answers

Which has the higher free limit, OpenRouter or NVIDIA NIM?

OpenRouter: 20 req/min · 50 req/day. NVIDIA NIM: not published (The product page publishes no rate limit and no credit amount). The units differ between providers, so compare them against your own traffic.

Do OpenRouter and NVIDIA NIM need a credit card?

OpenRouter: not required. NVIDIA NIM: not verified on an official page.

Which one trains on my prompts?

OpenRouter: your setting. NVIDIA NIM: not verified on an official page.

Can I use both with the same code?

Only where an OpenAI-compatible endpoint is confirmed. OpenRouter: yes. NVIDIA NIM: not verified on an official page.