Community tips.

OpenAI-compatible API behind the Atomesus AI product. 1 year of premium access is free with referral code ATOMESUS, and every new API key also gets a ₹25,000 welcome credit. Key prefix is atms_sk_…

Multi-model AI gateway exposing 30+ models on one OpenAI-compatible key. MiniMax M3 is free for a limited time, others priced per call. Same sk-… key format for everything.

Managed multi-provider inference gateway that sits in front of OpenAI, Anthropic, Bedrock, Vertex, Together, Groq, DeepInfra and Fireworks. Prefix cache typically cuts spend 30–60% — just swap the base URL, no SDK changes.

EconomyOS free-inference program by Virtuals. Link a GitHub repo to claim weekly credits (Spark $200/wk at 100 stars, up to Elite $2k/wk at 5k+ stars). Credits spend against any model on compute.virtuals.io. Compatible with Hermes, Claude Code and Codex out of the box.

Agent router with free access to MiniMax M3. Sign up with email, create an API key (sk-…), then point your agent at it.

Free 2M tokens across Claude Opus 4.8, GPT-5.5 and every major coding model in one API key. Plugs directly into Claude Code.

Free $100 in credits with access to Claude Opus 4.8 and GPT-5.5. No card — sign in with Gmail or Slack.

$315 in free API credits for Claude Opus 4.8 — $35 instant + $280 in weekly limits. ~2 minute registration.

Free $100 in Claude Opus 4.7 credits, valid for 7 days.

Free access to GLM-5.2 (and other models) via the web for one week. No card — register with anything.