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What are the best free keyword research tools I can use today to find low difficulty keywords for my new affiliate marketing blog

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What are the best free keyword research tools I can use today to find low difficulty keywords for my new affiliate marketing blog
2 real searches · 1 real-search pass
free keyword research tools 2026 free plans limits keyword difficulty long tail affiliate blogGoogle ↗
OBSERVEDComparison
best free keyword research tools 2026 Google Keyword Planner Ahrefs free keyword generator Semrush free keyword tool LowFruits alternativesGoogle ↗
OBSERVEDComparison

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.

ChatGPT real searches (2)
Short factOther / navigationalComparison100%ConsequenceReasonDefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 1 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
free keyword research tools 2026 free plans limits keyword difficulty long tail affiliate blog Google ↗
best free keyword research tools 2026 Google Keyword Planner Ahrefs free keyword generator Semrush free keyword tool LowFruits alternatives Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
free keyword research tools 2026 free plans limits keyword difficulty long tail affiliate blog
OBSERVED
Google ↗
AI Mode ↗
—Comparison——1x
of 1
best free keyword research tools 2026 Google Keyword Planner Ahrefs free keyword generator Semrush free keyword tool LowFruits alternatives
OBSERVED
Google ↗
AI Mode ↗
—Comparison——1x
of 1