Kimi K2 got a massive upgrade, possibly the best open source coding model now?

I think Kimi K2 is incredibly good, overtime we'll see how it compares with Qwen 3 Coder. But I showcase what I've learned, and discuss pricing, demos, and prompt caching. Links: πŸ§‘β€πŸ’»My Recommended AI Engineer course is Scrimba: https://scrimba.com/the-ai-engineer-path-c02v?via=GosuCoder My Links πŸ”— πŸ‘‰πŸ» Subscribe: https://www.youtube.com/@GosuCoder πŸ‘‰πŸ» Twitter/X: https://x.com/GosuCoder πŸ‘‰πŸ» LinkedIn: https://www.linkedin.com/in/adamwilliamlarson/ πŸ‘‰πŸ» Discord: https://discord.gg/YGS4AJ2MxA My computer specs GPU: RTX 5090 (sometimes a AMD 7900xtx) CPU: 7800x3d RAM: DDR5 6000Mhz Media/Sponsorship Inquiries βœ… gosucoderyt@gmail.com

Channel: GosuCoderβ€’Generated by anonymousβ€’Duration: 31mβ€’Published Sep 06, 2025
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Video Chapters

Original Output

0:00 - Kimi K2's Latest Evolution: A Deep Dive into Enhanced Context and UI
1:22 - Unleashing the Power: Kimi K2's Context Window Soars to 262K Tokens!
8:50 - The Speed Frontier: Groq's Blazing Fast Performance vs. OpenRouter's Limits
11:24 - Smarter Spending: How Prompt Caching Slashes Your API Costs
15:32 - Code Quality Deep Dive: Kimi K2's Refined Output
17:09 - Project Spotlight: Kimi K2 Redesigns a Website for Just 74 Cents!
20:25 - The Physics Challenge: When Kimi K2 Stumbles on a Pool Game
22:38 - Beyond Expectations: Kimi K2 Builds a Fully Functional Live Chat App
23:47 - The Real Cost: What a Month of Active Groq Coding Could Set You Back
26:01 - Kimi K2's Final Verdict: Strengths, Weaknesses, and Future Outlook

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Unprocessed Timestamp Content

0:00 - Kimi K2-0905 update focuses on improving context window and frontend abilities.
0:20 - Original Kimi K2 struggled with small context window and slow speed.
1:22 - Big update: Kimi K2's context window doubled to a perfect 262k tokens.
2:15 - Vibe Check: Kimi K2 often creates new files during refactoring, surprisingly useful.
3:07 - UI Redesign Example: Initial Kimi K2 design of Knowledge Base had too much purple.
3:59 - Redesign Take Two: Kimi K2's second attempt at the Knowledge Base, double sidebar.
5:10 - Personal Portfolio Design: Old Kimi K2 generated a smooth, dark-themed portfolio.
5:54 - New Portfolio Attempt: Latest Kimi K2 generated a jumpier, light-themed portfolio.
7:45 - Design Comparison: Old portfolio seems better, less "jumpiness" in its design.
8:50 - Speed & Providers: Groq is fast, but OpenRouter's Groq implementation suffers rate limits.
9:55 - Turbo Version: Moonshot AI Turbo offers good speed and prompt caching.
10:37 - Groq in OpenCode: Direct Groq usage in OpenCode encountered unexpected context errors.
11:24 - Cost Analysis: Prompt caching drastically reduces API costs for repetitive tasks.
12:47 - Context Lengths: Groq direct often reports lower context use, potentially saving money.
15:32 - Quality Eval: Kimi K2's coding quality is marginally better than previous versions.
16:12 - John Doe's Portfolio: Another Kimi K2 design with some non-functional input boxes.
17:09 - Gosu Evals Redesign: Kimi K2 successfully redesigned the website for just 74 cents.
17:27 - Mobile Marvel: The redesigned Gosu Evals site is now impressively mobile-responsive.
19:38 - Arena Shooter: A surprisingly fun game generated, but can't defeat enemies!
20:25 - Pool Game Blues: Kimi K2 struggles with accurate physics for a web-based pool game.
21:05 - Virtual Pet: A basic pet simulator with cute sleeping animations and health stats.
21:39 - Drone Simulator: Features procedural generation and customizable drone controls for navigation.
22:38 - Real-time Chat: A working live chat app was generated, including historical messages.
23:47 - Groq's Monthly Bill: Estimating over $300 for a month of active Groq coding.
26:01 - Kimi K2 Insights: Good context window, but performance and pricing still pose challenges.
27:00 - Latency Logs: Moonshot AI logs show variable 'Time to First Token' due to queueing.
29:29 - Pool Game Perfection: Python version of pool game has decent physics, just needs better holes!

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