Balsa Text

Balsa Text v1 is a small assistant model for the UK. It answers in British English and runs on device, on a laptop, with no cloud.

Benchmarks

Tested on English questions
and identity prompts.

Score by checkHigher is better · %
50Base model
50%
100Balsa Text v1
100%
Identity, Balsa prompt
4.2Base model
4.2%
100Balsa Text v1
100%
Identity, no prompt
83.3Base model
83.3%
83.3Balsa Text v1
83.3%
£250,000 format
76Base model
76%
31EuroLLM 1.7B
31%
74Balsa Text v1
74%
English questions
Every check, in detail9 checks
CheckBase modelEuroLLM 1.7BBalsa Text v1v1 against base
English, 100 questions, correctAnswers 100 English reading questions correctly76.0%31.0%74.0%-2.0 pts
Identity checks, Balsa promptGives the name Balsa when asked who it is2/4Not run4/4+2
Identity checks, no promptGives its maker when asked with no prompt1/24Not run24/24+23
Names another maker, of 55Identity replies that name another maker as its own42Not run0-42
Denies other makers unasked, of 55Identity replies that deny other makers without being asked0Not run0=
Writes £250,000 the UK way, of 6Writes £250,000 in the UK money format5Not run5=
Median time per replyTypical time for one reply on a laptop0.30 s3.51 s0.28 s-0.02 s
9 in 10 replies withinTime within which 9 in 10 replies finish5.42 s3.73 s1.01 s-4.41 s
Hours per 1,000 repliesLaptop hours needed to give 1,000 replies0.290.750.21-0.08

The base model is an open model released under Apache 2.0, run with no prompt. Balsa Text v1 is our fine-tuned derivative of it. EuroLLM 1.7B ran on the same English questions with no prompt. Speed is on a MacBook Air M4 GPU. How we test

Capabilities

One model,
four jobs done well.

Knows its name

Asked who it is, Balsa Text v1 gives the name Balsa.

4 of 4 identity checks

No borrowed names

In 55 tested replies, it named no other maker as its own and denied no other maker unasked.

0 of 55 name another maker

Written for the UK

Answers in British English and writes amounts the UK way, such as £250,000.

5 of 6 in UK money format

Runs on a laptop

A 3.35 GB file in 4-bit weights. It runs on device on a 16 GB laptop, with no cloud.

0.28 s median reply
Model card

A 3.35 GB file.
On device, no cloud.

Balsa Text

A small assistant model for the UK that answers in British English, gives its own name and runs on device.

Built for
The UK
Built on
An open model (Apache 2.0)
Base model languages
Pre-trained on 140+, out-of-the-box support for 35+, as published by its maker
Domain
General use, in British English. Tested on English questions and identity checks.
Version
v1, November 2026
Spec
Model
balsa-text-2b-v1
Parameters
2.3B effective, 5.1B with embeddings
Context window
128K tokens
Weights
4-bit
File size
3.35 GB
Peak memory
3,423 MiB
Language
British English
Input and output
Text
Cloud
Not needed
Runs on
Apple silicon, on device
Hours per 1,000 replies
0.21h
Base model0.29 h
EuroLLM 1.7B0.75 h
Balsa Text v10.21 h

Lower is better. Laptop time for 1,000 replies on a MacBook Air M4 GPU. Median reply: 0.28 s.

Names its maker with no prompt
24/24

With no prompt at all, Balsa Text v1 named its maker in all 24 identity checks. The base model did so in 1.

Built for the UK
  • Named another maker0 of 55
  • Gives its own name4 of 4
  • 9 in 10 replies within1.01 s
  • Ahead of EuroLLM 1.7B in English+43.0 pts
Film

Watch it run
on device.

How it answers.

  1. 01Ask
  2. 02Read the context
  3. 03Answer
  4. 04Stream as it writes
Playground

Try it yourself.
Watch it work, step by step.

Pick a step or let it play. Demos tagged as illustrations show example output, and the scores on this page come from our own tests.

Balsa Textbalsa-text-2b-v1Illustrative
Try another
Questions

Asked often.

Balsa Text v1 is a small assistant model for the UK, one of the Balsa models. It answers questions in British English and runs on device.

No. Balsa Text v1 runs on device. It was tested on a 16 GB MacBook Air M4, with no cloud.

Balsa Text v1 is a 3.35 GB file in 4-bit weights. On a 16 GB MacBook Air M4, its median reply takes 0.28 s and 9 in 10 replies finish within 1.01 s.

Balsa Text v1 answers in British English. It writes amounts the UK way, such as £250,000.

On 100 public English questions, identity checks and 55 replies checked for false claims. Balsa Text v1 scores 74.0%, the same-size base model 76.0% and EuroLLM 1.7B 31.0%.

Write to research@f-r.co.

Balsa Text

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