koyal.ai (YC F25)

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koyal.ai (YC F25)

koyal.ai (YC F25)

@KoyalAI

Agentic AI Filmmaking Platform by researchers from @mit, @meta and @carnegiemellon Turn your script & audio into films without a camera Backed by @ycombinator

Katılım Nisan 2025
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koyal.ai (YC F25)
koyal.ai (YC F25)@KoyalAI·
The most advanced benchmark and sandbox for AI image and video. Now available at FilmArena.ai
Mehul Agarwal@meh_agarwal

Today we're launching FilmArena [dot] ai. Biggest release we've ever shipped. The problem: a new SOTA AI image & video model drops every week. @OpenAI shipped GPT Image 2 literally yesterday. 1000 endpoints, no honest answer to "which one is best right now?" Arena AI and Artificial Analysis cracked LLM benchmarking. But for creative AI, they're solving the wrong problem. There is no "best image-to-video model." Best at what? World building? Action Sequences? Expressions? Every category has a different winner, and it flips weekly. So we benchmarked 40+ SOTA models with 2M+ votes across 190 countries. By subcategory. Re-ranked every week as new models ship. With thousands of real humans. But that's just half of it. Then there's the SANDBOX. Higgsfield and other aggregators put models in one place. But creators still juggle twelve subscriptions to do one job. FilmArena collapses it into one tab. Every frontier model. One interface. Same price. Call the best, or call 3 at once and compare. The AI film stack has been fragmented since day one. Today it isn't. Go try it free: filmarena [dot] ai Already wild results from this week: 1. @OpenAI GPT Image 2 (released yesterday) dominates image editing, but @GoogleDeepMind Nano Banana 2 still wins animated 2. @PixVerse_ C-1 beats @dreamina_ai Seedance 2 on animated 3. Veo 3.1 Fast outperforms Veo 3.1 on realistic video And a lot more. Go check it out.

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Mehul Agarwal
Mehul Agarwal@meh_agarwal·
Big fan of Dustin, but I differ slightly here. We test image-to-video on filmarena.ai because that’s how most serious filmmakers actually use these models. Yes, there's merit that Text-to-video may reveal something about a model’s physics & world building. But doesn't performance with storyboards, reference images, and intermediate frames matter more in real workflows? I’d personally prioritize image-to-video and reference-to-video testing. Open to other opinions!
Dustin Hollywood@dustinhollywood

I am cooking so freaking hard on @Hailuo_AI H3 text-to-video right now.. making something cool to show you guys then will share how I did it! I don’t usually test much of image-to-video because T2V is the real tell at how the physics understanding really is, because if it can do it in T2V you’re good, if it can do it in I2V that doesn’t really mean much because it can fail in T2V. So the real test is fanning our use case on T2V and then isolating areas and pushing for weak points then test in I2V. At least that’s my methodology on testing..

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Mehul Agarwal
Mehul Agarwal@meh_agarwal·
We went to an actual movie theatre to talk about what we're upto this week at @KoyalAI And we decided to make it a music video. Who said startups in SF don't have taste?
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Paulo
Paulo@paulodoestech·
@KoyalAI wait why are duo and koyal beefing 😭
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koyal.ai (YC F25)
koyal.ai (YC F25)@KoyalAI·
Somebody made this kidnapping/murder mystery trailer with Koyal - will be needing the full 8 episodes immediately.
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Mehul Agarwal
Mehul Agarwal@meh_agarwal·
It’s not a difficult thing to start culture anywhere, especially in SF. It just requires initial support. Look at Corgi Cafe. Didn’t exist last year, now they’re an SF staple. We want to do the same for film theatres. Why can’t we host screenings every month of the most hyped or classic movie? We don’t have as much funding as Corgi but I really want @KoyalAI to make people appreciate the arts more (AI or not AI). It was a cultural moment when @ExaAILabs hosted everyone for Project Hail Mary. Let’s make it a movement. Let’s bring taste back.
Mehul Agarwal@meh_agarwal

At 2:30 AM, I was the last person inside an AMC taking this photo. Normal behavior when you’re a founder. I want @KoyalAI to buy out a theatre for Spider-Man: Brand New Day and invite every SF founder. Please spread the message if you want to help make it happen. Why? Because every founder I know relates to Peter Parker in this movie. We left friends, family and people we love to move somewhere nobody knew us, fighting battles & building tech barely anyone understands. Who wants to partner with us to witness the “exaggerated swagger” of a sleep-deprived SF founder?

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koyal.ai (YC F25)
koyal.ai (YC F25)@KoyalAI·
This is true. Mehul did go alone to watch the Odyssey lol
Mehul Agarwal@meh_agarwal

At 2:30 AM, I was the last person inside an AMC taking this photo. Normal behavior when you’re a founder. I want @KoyalAI to buy out a theatre for Spider-Man: Brand New Day and invite every SF founder. Please spread the message if you want to help make it happen. Why? Because every founder I know relates to Peter Parker in this movie. We left friends, family and people we love to move somewhere nobody knew us, fighting battles & building tech barely anyone understands. Who wants to partner with us to witness the “exaggerated swagger” of a sleep-deprived SF founder?

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koyal.ai (YC F25)
koyal.ai (YC F25)@KoyalAI·
The most fun party we hosted. Live generative visuals, custom movies featuring participants & photobooths. SF is back.
Dedalus Labs@dedaluslabs

🎬 And that's a wrap! Some snapshots from our full house one-night speakeasy with @KoyalAI From 1,000+ RSVPs, we hand picked 160 YC Startup School attendees and invited them to a secret location. They stepped into an evening of cinematic production, drinks matched to their Github activity, and our first limited-edition perfume. Be on the look out for our next one ;)

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koyal.ai (YC F25)
koyal.ai (YC F25)@KoyalAI·
Somebody used Koyal to create a new anthem for the bro-code. It surprisingly slaps. We didn't anticipate this use case but we don't ask questions, we just render.
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koyal.ai (YC F25)
koyal.ai (YC F25)@KoyalAI·
Koyal Vlog #1: We Took AI Films to a Real Movie Theatre
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Nars
Nars@narsagna·
7000 engineers at startup school this weekend, no way you're meeting all of them except you actually can! We built a tool that matches you with other attendees based on what they've actually shipped And on Sunday we're hosting the biggest afterparty with @fondo and @Wefunder See you there! @davj @dianeemccormack #sus
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Mehul Agarwal
Mehul Agarwal@meh_agarwal·
Come chat with the @KoyalAI team at @ycombinator Startup School. We are at booth 7! Few lucky people get invites to the dopest official YC after-school party if you entertain us
Mehul Agarwal tweet media
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