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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    TypeError
Message:      Couldn't cast array of type
list<item: struct<model: string, provider: string, tier: string, date: timestamp[s], methodology_version: string, git_commit: string, benchmarks: struct<creative_technical: struct<score: double, status: string, error: string, details: struct<budget-haiku: double, recursive-story: double, regex-poetry: double>>, practical_knowledge: struct<score: double, details: struct<taxes: double, regulations: double, practical_finance: double, consumer_rights: double>>, gsm8k: struct<score: double, accuracy: double>, ifeval: struct<score: double, strict: double, loose: int64>>>>
to
{'together/mistral-7b-instruct': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'groq/llama-3.1-8b-instant': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'practical_knowledge': Value('float64'), 'creative_technical': Value('float64'), 'gsm8k': Value('float64'), 'ifeval': Value('float64'), 'methodology_version': Value('string')}), 'rolling': List({'date': Value('timestamp[s]'), 'practical_knowledge': Value('float64'), 'creative_technical': Value('float64'), 'gsm8k': Value('float64'), 'ifeval': Value('float64')})}, 'cohere/command-light': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'huggingface/mistral-7b-instruct': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'google/gemini-1.5-flash': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'together/meta-llama/Llama-3.3-70B-Instruct-Turbo-Free': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'practical_knowledge': Value('null'), 'creative_technical': Value('null')}), 'rolling': List({'date': Valu
...
truct': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64'), 'methodology_version': Value('string')}), 'rolling': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64')})}, 'cohere/command-r-08-2024': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64'), 'ifeval': Value('float64'), 'gsm8k': Value('float64'), 'methodology_version': Value('string')}), 'rolling': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64'), 'ifeval': Value('float64'), 'gsm8k': Value('float64')})}, 'google/gemini-2.0-flash': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'creative_technical': Value('null'), 'practical_knowledge': Value('null')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'google/gemini-2.5-flash': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64'), 'methodology_version': Value('string')}), 'rolling': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64')})}}
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
                  return get_rows(
                      dataset=dataset,
                  ...<4 lines>...
                      column_names=column_names,
                  )
                File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
                  return func(*args, **kwargs)
                File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
                  rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
                File "/src/services/worker/src/worker/utils.py", line 478, in safe_iter
                  yield from ds.decode(False) if ds.features else ds
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2818, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2355, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2380, in _iter_arrow
                  for key, pa_table in self.ex_iterable._iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2369, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2303, in cast_table_to_schema
                  cast_array_to_feature(
                  ~~~~~~~~~~~~~~~~~~~~~^
                      table[name] if name in table_column_names else pa.array([None] * len(table), type=schema.field(name).type),
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                      feature,
                      ^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1852, in wrapper
                  return pa.chunked_array([func(chunk, *args, **kwargs) for chunk in array.chunks])
                                           ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2149, in cast_array_to_feature
                  raise TypeError(f"Couldn't cast array of type\n{_short_str(array.type)}\nto\n{_short_str(feature)}")
              TypeError: Couldn't cast array of type
              list<item: struct<model: string, provider: string, tier: string, date: timestamp[s], methodology_version: string, git_commit: string, benchmarks: struct<creative_technical: struct<score: double, status: string, error: string, details: struct<budget-haiku: double, recursive-story: double, regex-poetry: double>>, practical_knowledge: struct<score: double, details: struct<taxes: double, regulations: double, practical_finance: double, consumer_rights: double>>, gsm8k: struct<score: double, accuracy: double>, ifeval: struct<score: double, strict: double, loose: int64>>>>
              to
              {'together/mistral-7b-instruct': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'groq/llama-3.1-8b-instant': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'practical_knowledge': Value('float64'), 'creative_technical': Value('float64'), 'gsm8k': Value('float64'), 'ifeval': Value('float64'), 'methodology_version': Value('string')}), 'rolling': List({'date': Value('timestamp[s]'), 'practical_knowledge': Value('float64'), 'creative_technical': Value('float64'), 'gsm8k': Value('float64'), 'ifeval': Value('float64')})}, 'cohere/command-light': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'huggingface/mistral-7b-instruct': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'google/gemini-1.5-flash': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'together/meta-llama/Llama-3.3-70B-Instruct-Turbo-Free': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'practical_knowledge': Value('null'), 'creative_technical': Value('null')}), 'rolling': List({'date': Valu
              ...
              truct': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64'), 'methodology_version': Value('string')}), 'rolling': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64')})}, 'cohere/command-r-08-2024': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64'), 'ifeval': Value('float64'), 'gsm8k': Value('float64'), 'methodology_version': Value('string')}), 'rolling': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64'), 'ifeval': Value('float64'), 'gsm8k': Value('float64')})}, 'google/gemini-2.0-flash': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'creative_technical': Value('null'), 'practical_knowledge': Value('null')}), 'rolling': List({'date': Value('timestamp[s]')})}, 'google/gemini-2.5-flash': {'provider': Value('string'), 'tier': Value('string'), 'scores': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64'), 'methodology_version': Value('string')}), 'rolling': List({'date': Value('timestamp[s]'), 'creative_technical': Value('float64'), 'practical_knowledge': Value('float64')})}}

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AI Egg Index — results

Weekly benchmark of free-tier LLMs on everyday tasks (practical knowledge, instruction following, math, coding).

Files

  • latest.json — current standings
  • historical.json — scores over time (+ rolling averages)
  • run-health.json — per-run pipeline health

Scores are small-sample / directional — see the repo's LIMITATIONS.md. Data is CC BY 4.0; some result text is model-generated and belongs to the respective providers.

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