Unstoppable adds Claude Opus 5.5 and GPT 6 family to AI Credits

September 22, 2026

Unstoppable added Claude Opus 5.5 and the GPT 6 family to its AI Credits lineup, joining the models already offered in Unstoppable Code. Users can bring their own subscription or use the free AI credits to stretch their token budget, per the announcement.

The release is framed as keeping pace with the frontier, with Opus 5.5 described as a half-step version jump now available alongside the GPT 6 models.

Sources

Pace the frontier 🤝 jumping model versions by 0.5 Opus 5.5 is now available in @unstoppableweb alongside the GPT 6 family Bring your own subscription or take advantage our free AI credits to stretch your token budget to the max Claim your free credits with the link below https://t.co/9DRug1R4BKx.com ↗

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Unstoppable adds Claude Opus 5.5 and GPT 6 family to AI Credits — Outposts