nomic-embed-text + deepseek-chat · k=20
run #4 · 2026-06-18 18:19 · git 4e21154 · ab:embedder
Retrieval hit@k
55%
Answer accuracy
71%
Cases
45 (40 grounded)
embedder ladder: nomic-embed-text (768d) — weakest/oldest local model
Δ vs baseline
Compared to qwen3-embedding:0.6b + deepseek-chat · k=20 (2026-06-18 17:15). A retrieval delta with the same generator isolates the embedder/retrieval change.
- ✓ Retrieval solved here (5): q014, q021, q026, q032, q033
- ⚠ Retrieval regressed (2): q007, q017
- ✓ Answer solved here (3): q014, q021, q039
- ⚠ Answer regressed (3): q007, q024, q038
Failures in this run (21)
| Case | Question | Retrieval | Answer | Symptom |
|---|---|---|---|---|
| q007 | What was Berkshire Hathaway's insurance float at the end of 2022? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |
| q013 | What were Berkshire Hathaway's railroad operating earnings in 2023? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |
| q017 | What kind of transportation business does Berkshire Hathaway operate? | FAIL | PASS | answered without the gold chunk (parametric leak?) |
| q022 | How much did Berkshire Hathaway's operating earnings grow from 2021 to 2023? | PASS | FAIL | retrieved but generated wrong (generation/arithmetic) |
| q023 | How much did Berkshire Hathaway's operating earnings grow from 2021 to 2022? | PASS | FAIL | retrieved but generated wrong (generation/arithmetic) |
| q024 | How much larger were Berkshire Hathaway's 2023 net earnings than its 2023 operating earnings? | PASS | FAIL | retrieved but generated wrong (generation/arithmetic) |
| q025 | What was JPMorgan Chase's total net revenue in 2023? | FAIL | PASS | answered without the gold chunk (parametric leak?) |
| q027 | What were JPMorgan Chase's total assets at the end of 2023? | FAIL | PASS | answered without the gold chunk (parametric leak?) |
| q028 | What was JPMorgan Chase's CET1 capital ratio in 2023? | FAIL | PASS | answered without the gold chunk (parametric leak?) |
| q029 | What were JPMorgan Chase's cash dividends declared per share in 2023? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |
| q031 | What was Microsoft's net income in fiscal 2023? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |
| q034 | What were Costco's net sales in fiscal 2023? | FAIL | PASS | answered without the gold chunk (parametric leak?) |
| q035 | What was Costco's total revenue in fiscal 2023? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |
| q036 | What was Costco's net income in fiscal 2023? | FAIL | PASS | answered without the gold chunk (parametric leak?) |
| q037 | How much did Costco earn from membership fees in fiscal 2023? | FAIL | PASS | answered without the gold chunk (parametric leak?) |
| q038 | Which company had higher net income in 2023, Microsoft or JPMorgan Chase? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |
| q039 | Which company had higher total revenue in 2023, Costco or Microsoft? | FAIL | PASS | answered without the gold chunk (parametric leak?) |
| q040 | How much higher was Microsoft's net income than JPMorgan Chase's in 2023? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |
| q041 | How much greater was Costco's total revenue than Microsoft's in 2023? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |
| q042 | What was the combined net income of Microsoft and JPMorgan Chase in 2023? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |
| q043 | Which had the highest net income in 2023: JPMorgan Chase, Microsoft, or Costco? | FAIL | FAIL | gold chunk not retrieved → answer ungrounded |