FLUX.2 Klein 4B on Pollinations
Pollinations.ai Trial credit
The catch: Quest Pollen is a one-time grant with no 'entitlement to future credits', 149 of 214 official models are paid_only and cannot use it, and any Pollen left expires after 12 months of inactivity.
| Access | Trial credit |
|---|---|
| Free limits | Not paid_only, so Quest Pollen can pay for it; priced per the catalogue (see gen.pollinations.ai/models). |
| Modality | image |
| Credit card | Not required |
| Commercial use | Allowed |
| Trains on your data | No |
| Licence or terms | Pollinations Terms of Service (16 Sep 2026) + Privacy Policy (28 Sep 2026), Myceli.AI OÜ |
| Context window | – |
| Model id | black-forest-labs/flux.2-klein-4b |
| Base URL | https://gen.pollinations.ai/v1 |
| Last checked | 8 Oct 2026 |
How to use FLUX.2 Klein 4B
It speaks the OpenAI API at https://gen.pollinations.ai/v1, so the OpenAI SDK you already use works once you change the base URL and key.
curl https://gen.pollinations.ai/v1/images/generations -H "Authorization: Bearer $KEY" -H "Content-Type: application/json" -d '{"model":"black-forest-labs/flux.2-klein-4b","prompt":"a lighthouse at dawn","size":"1024x1024","response_format":"url"}'I want to try the AI model "FLUX.2 Klein 4B" on Pollinations.ai with its free trial credit (model id: black-forest-labs/flux.2-klein-4b). Please: 1. Check the provider docs and give me the exact steps to claim the free credit and create an API key. 2. Give me a minimal working example that reads the key from an environment variable. 3. Tell me how much the credit covers, when it runs out or expires, and whether a card is charged after. Listed limits: Spends one-time Quest Pollen (~4.75 total). 4. Tell me which provider has a renewing free tier for the same model, if any.
Before you ship on it
- Quest Pollen is a one-time grant with no 'entitlement to future credits', 149 of 214 official models are paid_only and cannot use it, and any Pollen left expires after 12 months of inactivity.
- Terms (updated 16 Sep 2026): Pollinations, run by Myceli.AI OÜ, operates 'commercial, hosted services'; users keep rights to submitted data. No ban on commercial use of output, but 'Model licences vary; verify before…
- Free tiers are shared capacity: treat the limits as a ceiling, not a promise, and keep a paid fallback.
Questions
Is FLUX.2 Klein 4B on Pollinations free?
Yes. Pollinations.ai offers it as trial credit, with these limits: Spends one-time Quest Pollen (~4.75 total). No credit card is needed.
Can I use FLUX.2 Klein 4B on Pollinations commercially?
Yes, under Pollinations Terms of Service (16 Sep 2026) + Privacy Policy (28 Sep 2026), Myceli.AI OÜ. Check the current terms before you ship.
How do I start with FLUX.2 Klein 4B on Pollinations?
It speaks the OpenAI API at https://gen.pollinations.ai/v1, so the OpenAI SDK you already use works once you change the base URL and key.
Source: gen.pollinations.ai/models, checked 8 Oct 2026.