Both Lumenfall.ai and OpenAI offer free tiers. Lumenfall.ai provides "Free" while OpenAI offers "Free". Lumenfall.ai has a more stable pricing history (0 recorded changes vs 5).
AI media gateway providing unified access to leading image generation models via an OpenAI-compatible API. The platform itself is free to use with zero markup and no subscription fee. Inference costs for most models are billed at provider price, but FLUX.1 [schnell] FP8 is offered free forever with unlimited usage for registered users. Built-in failover and provider resilience included.
AI API platform — free tier limited to GPT-3.5 Turbo model only, 3 requests/minute rate limit. No free trial credits for new accounts (discontinued mid-2025). Paid tiers use token-based pricing: GPT-4o from $2.50/1M input tokens. Batch processing at 50% discount available
Pricing Change History
Lumenfall.ai
No recorded pricing changes for Lumenfall.ai.
OpenAI
removed2026-08-26high impact
Assistants API deprecated, full shutdown August 26, 2026. Developers must migrate to Responses API + Conversations API
removed2026-05-12high impact
DALL-E 2 and DALL-E 3 API access discontinued. Developers must migrate to gpt-image-1 (different pricing model, quality tiers changed from standard/hd to low/medium/high) or switch to free alternatives like Pollinations.AI or Lumenfall.ai
deprecated2026-05-07high impact
Realtime API beta endpoints deprecated. Developers must remove OpenAI-Beta header, use new client_secrets endpoint, specify session_type, and update event names. GA Realtime API is the direct replacement.
reduced2026-02-09high impact
Ads launched in ChatGPT Free and Go ($8/mo) tiers. Sponsored units from major brands appear below responses on first prompt. $60 CPM, $200K minimum ad commitment
reduced2025-06-01high impact
Free trial credits ($5-$18 for new accounts) completely discontinued. Free tier now limited to GPT-3.5 Turbo at 3 RPM with no credits. All advanced models (GPT-4, DALL-E, Whisper) require paid access
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