Real ChatGPT answer · index seedwWgCDm6tD10completeFinance and banking · investing and brokeragesinformational

What low cost index mutual funds from Vanguard or Fidelity match the S and P five hundred with the lowest expense ratios today?

ChatGPTgpt-63 queries10/31/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What low cost index mutual funds from Vanguard or Fidelity match the S and P five hundred with the lowest expense ratios today?
3 real searches · 1 real-search pass
2026 expense ratio Fidelity 500 Index Fund FXAIX Vanguard 500 Index Admiral VFIAX official expense ratioGoogle ↗
OBSERVED
2026 Vanguard 500 Index Fund Admiral Shares VFIAX expense ratio official VanguardGoogle ↗
OBSERVED
2026 Fidelity 500 Index Fund FXAIX expense ratio official FidelityGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 3 queries…

Searches and sources

ChatGPT3 real searches · gpt-6
2026 expense ratio Fidelity 500 Index Fund FXAIX Vanguard 500 Index Admiral VFIAX official expense ratio Google ↗
2026 Vanguard 500 Index Fund Admiral Shares VFIAX expense ratio official Vanguard Google ↗
2026 Fidelity 500 Index Fund FXAIX expense ratio official Fidelity Google ↗
  1. No minimum investment mutual funds · fidelity.com
  2. Fidelity 500 Index Fund · institutional.fidelity.com
  3. VFIAX · advisors.vanguard.com
  4. Vanguard Mutual Funds List · investor.vanguard.com
  5. No minimum investment mutual funds · fidelity.com

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
2026 expense ratio Fidelity 500 Index Fund FXAIX Vanguard 500 Index Admiral VFIAX official expense ratio
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
2026 Vanguard 500 Index Fund Admiral Shares VFIAX expense ratio official Vanguard
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
2026 Fidelity 500 Index Fund FXAIX expense ratio official Fidelity
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1