jina-v3 + deepseek-chat · k=20
run #12 · 2026-06-21 11:18 · git 6025484 · ab:retrieval
Retrieval hit@k
63%
Answer accuracy
78%
Cases
45 (40 grounded)
v1.5: hybrid BM25+vector (RRF)
Δ vs baseline
Compared to jina-v3 + deepseek-chat · k=20 (2026-06-21 11:16). A retrieval delta with the same generator isolates the embedder/retrieval change.
- ✓ Retrieval solved here (2): q008, q031
- ⚠ Retrieval regressed (2): q013, q017
- ✓ Answer solved here (1): q031
- ⚠ Answer regressed (1): q013
Failures in this run (17)
| Case | Question | Retrieval | Answer | Symptom |
|---|---|---|---|---|
| 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) |
| 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 |
| 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?) |
| 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 |