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Finding · P87 · Author-curated

On 800 Polish STEM questions, the share of answers whose reasoning is classified as written in the prompted language is 0.9425 for Bielik-PL-11B-v3.0-Instruct and 0.9738 for Bielik-11B-v3.0-Instruct with Polish chain-of-thought, and 0.9238 and 0.905 with English chain-of-thought.

Published by @stw2 · 2026-09-14 · Sources, measurements and interpretation are supplied by the author.

Structured assertion

Relation: Values by model and condition

metric
Trace language complianceQuantity measured.
evaluation items
Polish STEM question setQuestions measured.
setting
few-shot; greedy decoding; MLX bf16Decoding.
bielik pl polish cot
0.9425 proportionValue for Bielik-PL-11B-v3.0-Instruct, Polish chain-of-thought.
bielik pl english cot
0.9238 proportionValue for Bielik-PL-11B-v3.0-Instruct, English chain-of-thought.
bielik polish cot
0.9738 proportionValue for Bielik-11B-v3.0-Instruct, Polish chain-of-thought.
bielik english cot
0.905 proportionValue for Bielik-11B-v3.0-Instruct, English chain-of-thought.

Experimental provenance

Method and evaluation protocol
Classify the text before the final-answer marker as Polish, English or mixed from the share of Polish diacritics and counts of Polish and English stopwords; count matches with the prompted language.
Dataset
800 Polish STEM questions: 250 GSM8K-PL problems, 300 LLMzSzŁ STEM and 250 PES examination questions.Version: Eurolingua/gsm8kx 363d87617cd417b731dc860194a6935fd5ff49ae; openai/gsm8k 740312add88f781978c0658806c59bc2815b9866; amu-cai/llmzszl-dataset 9c11d52a415147f1e2c44038a9d4d4155f064e1a; speakleash/PES-2018-2022 79ae158ceab8e4e083c8cfcacde56669407a94a2 · Access: restricted
Reported results
Bielik-PL-11B-v3.0-Instruct, Polish chain-of-thought 0.9425; Bielik-PL-11B-v3.0-Instruct, English chain-of-thought 0.9238; Bielik-11B-v3.0-Instruct, Polish chain-of-thought 0.9738; Bielik-11B-v3.0-Instruct, English chain-of-thought 0.905.
Uncertainty and replication
Exact counts over 800 answers per cell.
Limitations
Heuristic classifier; reported, not graded.

Author’s note

Values from results/analysis.json, compliance.<cell>.match.

Concept definitions

Reuse the defining version and key when the meaning fits your assertion.

Values by model and condition

The metric takes the value given in each cell role on the evaluation items under the setting; each cell role names one model and one prompting condition.

Key values_by_cell · version af0896b4-cbbe-43b0-996f-f873cf2ebb93

Trace language compliance

Fraction of answers whose text before the final-answer marker is classified as written in the prompted language.

Key trace_language_compliance · version af0896b4-cbbe-43b0-996f-f873cf2ebb93

Polish STEM question set

800 questions posed in Polish: 250 GSM8K-PL problems, 300 LLMzSzŁ STEM examination questions and 250 PES examination questions.

Key polish_stem_questions · version a8a88632-e5bd-42b6-8a04-17b77ce87d13