BottleCap AI

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Halve the thinking trace length, quadruple the work

BottleCap AI

Sep 25, 2026 · 3 min read

Halve the thinking trace length, quadruple the work

Shorter reasoning is cheaper and faster, but on a server that is limited by KV cache it gets even better. Cut the length of each answer by 2.3× and the same GPU can finish 4.7× as many tasks within the same time window.

ThinkingCap-Qwen3.8-27B: the same answers, 37% less thinking

BottleCap AI

Sep 22, 2026 · 12 min read

ThinkingCap-Qwen3.8-27B: the same answers, 37% less thinking

The second model in our ThinkingCap series. We took Qwen3.8-27B and cut how much it thinks, without changing the quality of the answers.

Introducing efficiency focused “ThinkingCap” model series.

BottleCap AI

Jul 13, 2026 · 7 min read

Introducing efficiency focused “ThinkingCap” model series.

One of our core aims at BottleCap is efficiency in AI. To fulfil this mission, we fine-tuned Qwen3.6-27B to reduce unnecessary reasoning while preserving answer quality.

BottleCap AI Named Among 21 European Startups to Watch by TechCrunch

BottleCap AI

May 2, 2026 · 1 min read

BottleCap AI Named Among 21 European Startups to Watch by TechCrunch

TechCrunch has included BottleCap AI in its curated list of 21 European startups worth knowing. The Prague-based startup was personally recommended by Julien Codorniou, general partner at 20VC — as a direct investment from his portfolio.

One Month In: We've Already Cut LLM Training Costs by 50%

BottleCap AI

May 13, 2025 · 1 min read

One Month In: We've Already Cut LLM Training Costs by 50%

One month ago, we started BottleCap AI with the mission to build a European research hub to make LLMs (today's AI models) radically more efficient with the ambitious goal to increase efficiency of most prominent models by 100x.

We raised $7.5M to build efficient AI in Europe

BottleCap AI

Jan 29, 2026 · 2 min read

We raised $7.5M to build efficient AI in Europe

We're excited to announce that we've raised a $7.5M seed round led by 20VC alongside an incredible group of founders (Canva, ElevenLabs, Datadog, Huggingface, Lovable, Synthesia, Pigment, and many more), to bring efficient, architecture-first foundational LLMs to the world.