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🎁 Trials (no card when possible) · no card · live — last verified by a probe on 2026-11-01 · console.upstage.ai · back to the whole list
Upstage Solar LLM API; $10 free credit on signup, no card
The free offer is a budget for model usage across the catalog. See Limits for its conditions and Connect for API details, where available.
Signup credit: $10 once per account
See the console for credit validity. After the signup credit is spent, continue with prepaid credit or pay-as-you-go billing.
The vendor names no country it keeps the offer from (source, read 2026-09-26).
What you send is not used to train models. In the vendor’s words: “The Company shall not use Member Input/Output Data for service improvement or for training artificial intelligence models.” (source).
https://api.upstage.ai/v1UPSTAGE_API_KEY — get one at https://console.upstage.ai/api-keyssolar-pro4, solar-mini4Try it from your terminal with your key in UPSTAGE_API_KEY — it goes from your machine to the vendor and nowhere else:
curl -s https://api.upstage.ai/v1/chat/completions \
-H "Authorization: Bearer $UPSTAGE_API_KEY" \
-H 'Content-Type: application/json' \
-d '{"model":"solar-pro4","messages":[{"role":"user","content":"2+2? MAKE NO MISTAKES."}]}'
$10 in free credit in the page’s own dataEach line is a change to what this page publishes, dated the day it reached the list, in UTC.
2026-09-25 — Free models changed: dropped solar-mini, solar-pro-32026-07-19 — Free models changed: added solar-mini, solar-pro-32026-07-19 — Added: Upstage Solar LLM API; $10 free credit on signup, no cardGenerated from registry.yaml on 2026-11-01 and re-verified twice a week; the full list, the Atom feed and the machinery are at https://github.com/mvalentsev/awesome-free-ai-coding.