New AI Models: GPT-5.2, Claude Opus 4.5, and Gemini 3 in Replit

    Back to Blog
    Replit & Vibe CodingFeatured

    New AI Models: GPT-5.2, Claude Opus 4.5, and Gemini 3 in Replit

    Replit AI Integrations now supports the latest models: GPT-5.2 with 400K context, Claude Opus 4.5 for coding, and Gemini 3 for agents.

    June 27, 202510 min read
    Christof Schnyder

    Christof Schnyder

    Software Architect, Co-Founder

    christof.schnyder@cnext.ch
    15+ Jahreexperience·Full-Stack Architecture
    CNEXT Microsoft Partner

    Quick Answer

    Replit AI Integrations now supports the latest models: GPT-5.2 with 400K context, Claude Opus 4.5 for coding, and Gemini 3 for agents.

    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:

    1. 1Open AI Integrations
    2. 2Select new model
    3. 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.

    ReplitSchweiz
    Teilen:

    This article was created with the support of AI and reviewed by our team. We use AI tools to produce high-quality content efficiently — the editorial responsibility always lies with our experts.

    Christof Schnyder

    Christof Schnyder

    Software Architect, Co-Founder

    Have questions about this topic?

    Our experts are happy to advise you – free and without obligation.