Replit updates AI Integrations with the most powerful models of 2026. GPT-5.2, Claude Opus 4.5, and Gemini 3 are now available.
The New Models
GPT-5.2 (OpenAI)
The most capable OpenAI model yet:
- 400K context window – Entire codebases in context
- 90%+ on ARC-AGI-1 – First model above this benchmark
- Professional knowledge work – Optimized for complex tasks
Claude Opus 4.5 (Anthropic)
Anthropic's flagship for developers:
- 80.9% on SWE-bench Verified – Industry-leading in coding
- Computer Use optimized – For agent applications
- Highest precision – For complex refactorings
Gemini 3 Flash Preview (Google)
Speed for agents:
- 1M token context – Massive context windows
- Low latency – For real-time applications
- Agent-optimized – Specifically for agentic workflows
Gemini 3 Pro Preview (Google)
Advanced multimodal reasoning:
- State-of-the-art reasoning – Complex problem-solving
- Real-world knowledge – Current world knowledge
- Multimodal – Text, image, code combined
Gemini 3 Pro Image Preview
AI image generation at a new level:
- High quality – For professional applications
- Accurate text rendering – Text in images correct
- Editing capabilities – Edit existing images
Which Model for Which Purpose?
Maximum Intelligence
→ GPT-5.2 or Claude Opus 4.5
Coding and Development
→ Claude Opus 4.5
Long Documents
→ Gemini 3 with 1M context
Fast Agent Tasks
→ Gemini 3 Flash
Image Generation
→ Gemini 3 Pro Image
Availability
All models are now available in AI Integrations:
- 1Open AI Integrations
- 2Select new model
- 3Code is automatically generated
Conclusion
2026 brings a quantum leap in AI models. Replit makes this power accessible to every developer – instantly and without complicated configuration.

