Cosine (@CosineAI) / X

Cosine

539 posts

Cosine

@CosineAI

Building frontier model intelligence. Complete complex tasks in your codebase with clarity and control. Our coding agent is available across CLI and Cloud.

Any Codebase

Joined February 2023

Pinned
Cosine
@CosineAI
Jun 8
We are excited to announce that Cosine has assembled a landmark coalition – including BAE Systems, HSBC, BT, NatWest, and PwC – to co-design Lumen Sovereign, Britain’s first fully sovereign AI capability, backed by the UK government's @UKSovereignAI initiative. Read more below.
Cosine
@CosineAI
Aug 20, 2024
And the secret is out. 43.8% on @OpenAI SWE-Bench Verified. Learn more on the OpenAI blog!
OpenAI Developers
@OpenAIDevs
Aug 20, 2024
We're launching fine-tuning for GPT-4o so you can improve performance and accuracy for your apps. openai.com/index/gpt-4o-f…
Cosine
@CosineAI
Sep 19, 2024
o1 is here! @AlistairPullen sat down with @shyamalanadkat at the @OpenAI office to discuss how our unique techniques have unlocked new levels of performance. We teach LLMs to mimic human reasoning and benefit dramatically from new models, including o1.
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Cosine
@CosineAI
Aug 4, 2025
Kicking off our Launch Week, say hello to Cosine’s free plan 👋 Start building with our AI coding agent from day one – no credit card, no friction. Get started now → cosine.sh
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Cosine
@CosineAI
Aug 5, 2025
Our coding agent relies on open source projects. Our partnership with OpenAI has allowed us to ship this today. Meet AutoDoc – Cosine’s new feature that kills stale documentation. AutoDoc was built end-to-end completely autonomously. AI building AI: Try it free →
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Cosine
@CosineAI
Aug 6, 2025
What if you could go from idea to live app in seconds? Instant Sites are here. Deploy what you build with zero waiting. Free now → go.cosine.sh/Try-Instant-Si…
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Cosine
@CosineAI
Aug 7, 2025
Cosine is the first AI software engineer powered by GPT-5. Smarter, faster, more autonomous – with multi-agent capability fully native. No toggles. No buttons. Just intelligent coordination for every coding task. Get started for free → cosine.sh
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Cosine
@CosineAI
Jul 28, 2025
Announcing Cosine Summer Launch Week. 5 days. 5 launches. August 4th–8th. Sign up so you don’t miss it and to be entered into our giveaway: cosine.sh/launch-week
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Cosine
@CosineAI
Aug 20, 2025
The most dangerous lie in engineering: “AI is just autocomplete.” Believe it and you’ll fall behind. Teams using agents are already seeing massive leaps (52% of devs say AI boosts productivity). Our latest blog post covers why ↓
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Cosine
@CosineAI
Sep 1, 2025
Build your idea, review the code, and deploy it live to share with others. All of this takes place within a single task. Our free plan includes 80. What would you build first?
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Cosine
@CosineAI
Jun 12, 2025
We're excited to announce AutoPM, a brand new way to approach larger tasks with Genie. Scoring a record-breaking 72% on SWE-Lancer, earning $155,550
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Cosine
@CosineAI
Aug 28, 2025
Our new Insights dashboard allows you to see exactly where AI helped your team. Get visibility into ROI by tracking tasks, PRs, and code changes done by Cosine. Changelog below ↓
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Cosine
@CosineAI
Aug 20, 2024
Y'all catch Open AI's last blog post? 👀
Cosine
@CosineAI
Aug 27, 2025
Teams evaluating AI engineers for complex codebases need to consider 3 key things: → How much can I achieve at once? → How much will it cost? → How will it perform? Our latest post covers Cosine and Devin:
Cosine vs Devin
From cosine.sh