Try GPT-4.1 now + more updates [Chat Thing](https://chatthing.ai/) Open main menu - Features - Use Cases - [Pricing](https://chatthing.ai/pricing) - Resources [Log in](https://app.chatthing.ai/app/auth/login) [ Book a demo](https://chatthing.ai/demo) [Sign up](https://app.chatthing.ai/app/auth/register) [← Back to blog](https://chatthing.ai/blog)Changelog # Try GPT-4.1 now + more updates ![Zef](https://res.cloudinary.com/djyjvrw5u/image/upload/v1710941716/IMG_2278_d3b5e4fa69.jpg) Zef 15 Apr 2025 --- ![Try GPT-4.1 now + more updates](https://res.cloudinary.com/djyjvrw5u/image/upload/v1744732011/GPT_4_1_Release_from_Figma_29961568c3.webp) --- ### On this page 1. [Introducing GPT-4.1 Models](#introducing-gpt-4-1-models) 2. [Enhanced Chat Responses](#enhanced-chat-responses) 3. [Additional Updates](#additional-updates) Hi agent builders! It’s been a while but we’ve got some great updates for you today! ## Introducing GPT-4.1 Models Hot off the press, only released yesterday, we've integrated OpenAI's latest GPT-4.1 models into Chat Thing, offering significant performance enhancements across the board. You can't use these models via ChatGPT as they are API only so Chat Thing is a great place to test them out! Here's some of the improvements: - **Expanded Context Window**: Handle up to 1 million tokens, enabling deeper context understanding.​ - **Improved Coding Capabilities**: Achieved a 54.6% score on SWE-bench Verified, surpassing GPT-4o's 33.2%. ​ - **Enhanced Instruction Following**: Better at adhering to complex, multi-step instructions. ​ - **Cost-Effective Options**: GPT-4.1 Nano is now our most affordable model. Read OpenAI’s announcement post [here](https://openai.com/index/gpt-4-1/) You can select the 4.1 models from the model selector in your bot settings now. ## Enhanced Chat Responses - **Code Syntax Highlighting**: Code blocks in responses now feature syntax highlighting for improved readability.​ ![Code Block Syntax Highlighting PR 851.png](https://res.cloudinary.com/djyjvrw5u/image/upload/v1744732406/Code_Block_Syntax_Highlighting_PR_851_f4893cc0d8.png) - **LaTeX Rendering**: Mathematical expressions are rendered using LaTeX for clearer presentation.​ ![LaTeX Math Expression Rendering PR 852.png](https://res.cloudinary.com/djyjvrw5u/image/upload/v1744732431/La_Te_X_Math_Expression_Rendering_PR_852_aa86045fe6.png) ## Additional Updates - Multilingual Support: Added and refined translations for multi-modal chat interface elements.​ - RSS Data Source Scraping: Enabled CSS exclude rules to refine content extraction.​ - Email Enhancements: Included reply-to headers in "talk-to-human" emails for better communication.​ - UI Improvements: Enhanced conversation view styling for better readability.​ - Bug Fixes: Resolved issues including duplicate bot-to-bot responses and improved API power-up validation.​ We can’t wait to see what you think of these updates, happy agent building! ### Related articles [![Otto now lives inside every agent, plus seven new models](https://res.cloudinary.com/djyjvrw5u/image/upload/v1785426041/hero_2195c49528.png)](https://chatthing.ai/blog/ask-otto-and-seven-new-models) [

Otto now lives inside every agent, plus seven new models

](https://chatthing.ai/blog/ask-otto-and-seven-new-models) Otto now lives inside every agent, so you can change things by describing what you want rather than hunting through settings forms. Plus Claude Opus 5 and six more models, four new embed capabilities, and twelve retired models. [![Kimi K3 is live in Chat Thing: what it is, and is it actually good?](https://res.cloudinary.com/djyjvrw5u/image/upload/v1784238623/hero_a9dfc94c16.png)](https://chatthing.ai/blog/kimi-k3-lands-in-chat-thing) [

Kimi K3 is live in Chat Thing: what it is, and is it actually good?

](https://chatthing.ai/blog/kimi-k3-lands-in-chat-thing) Moonshot AI's Kimi K3 launched today and it's already live in Chat Thing. Here's what Kimi K3 is, the benchmarks behind the hype, and how it performed when we ran it head-to-head against Claude Sonnet 5, GPT-5.6 and Gemini on real support-bot prompts. [![GPT-5.6 lands in Chat Thing, plus twelve more new models](https://res.cloudinary.com/djyjvrw5u/image/upload/v1783942921/hero_c5c962c5c0.png)](https://chatthing.ai/blog/gpt-5-6-and-thirteen-new-models) [

GPT-5.6 lands in Chat Thing, plus twelve more new models

](https://chatthing.ai/blog/gpt-5-6-and-thirteen-new-models) GPT-5.6 (Sol, Terra and Luna) is now live in Chat Thing, alongside twelve more new models. A 1.05M-token context window, vision and power-up support across the board, and it is unusually light on message tokens for how capable it is.
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