Perplexity AI swaps Gemini 3.8 Flash for Google's new Gemini 4 Hydrogen model
What happened
Between the Nov 13, 2026 and Nov 14, 2026 captures of Perplexity AI's pricing page, Pulse recorded one change: Model lineup tile swapped: Gemini 3.8 Flash (Google's fast model) replaced by Gemini 4 Hydrogen, tagged New (Google's latest model). Pulse files it as a product change (feature change). The current page lists Pro at $17 and Max at $167.
It lands 36 days after Perplexity AI's previous change, "Perplexity AI adds xAI's Grok 4.7 to Pro lineup, drops Anthropic's Claude Haiku 5.5" (Oct 9, 2026). Before that Pulse recorded "Perplexity AI swaps Grok 4.7 for Claude Haiku 5.5 in model lineup" (Oct 8, 2026), "Perplexity AI swaps GPT-6 Sol for GPT-6.1 Sol in Computer and Pro model lineup" (Sep 30, 2026) and "Perplexity AI upgrades Pro lineup from Claude Sonnet 5 to Claude Sonnet 5.5" (Sep 29, 2026). Perplexity AI has been tracked since 2026-06-27.
In the same window Synthesia, Read AI, Topaz Labs, Together AI and TestFit also changed their AI & Machine Learning pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- Feature change—Feature
Model lineup tile swapped: Gemini 3.8 Flash (Google's fast model) replaced by Gemini 4 Hydrogen, tagged New (Google's latest model)
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| — | Feature | Model lineup tile swapped: Gemini 3.8 Flash (Google's fast model) replaced by Gemini 4 Hydrogen, tagged New (Google's latest model) | Feature change | |
Values as written on Perplexity AI's public pricing page in the two captures Pulse compared; where the page states no number, the cells give the wording before and after.
Evidence
The two captures Pulse comparedFull-page captures of Perplexity AI's pricing page (www.perplexity.ai) from Nov 13, 2026 and Nov 14, 2026; the change is marked around the middle of the page.
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Perplexity AI, the last 90 days
Full history- Nov 14, 2026Feature changePerplexity AI swaps Gemini 3.8 Flash for Google's new Gemini 4 Hydrogen model This change
- Oct 9, 2026ImprovementPerplexity AI adds xAI's Grok 4.7 to Pro lineup, drops Anthropic's Claude Haiku 5.5
- Oct 8, 2026ImprovementPerplexity AI swaps Grok 4.7 for Claude Haiku 5.5 in model lineup
- Sep 30, 2026ImprovementPerplexity AI swaps GPT-6 Sol for GPT-6.1 Sol in Computer and Pro model lineup
- Sep 29, 2026ImprovementPerplexity AI upgrades Pro lineup from Claude Sonnet 5 to Claude Sonnet 5.5
- Sep 23, 2026ImprovementPerplexity AI swaps GPT-5.6 Terra for GPT-6 Sol in multi-model answers
- Sep 5, 2026ImprovementPerplexity AI bumps Gemini model to 3.8 Flash in AI lineup
Across AI & Machine Learning in the same window
All AI & Machine Learning changes- SynthesiaNov 9Synthesia swaps Syren AI time cap for tiered video quotas, cuts Basic assets
- Read AINov 9Read AI: EU & CA hosting added to Enterprise+ plan
- Topaz LabsNov 9Topaz Labs ends web sale: Pro back to $599/yr, Video $299, Image $199
- Together AINov 9Together AI hikes Qwen3.7-Max to $2.50/$7.50, cuts six models, adds Kimi K3.1 Pro
- TestFitNov 9TestFit adds $75/month Urban Planner plan with unlimited users
Questions about this change
Did Perplexity AI raise prices in November 2026?
No list-price increase was recorded between Nov 13, 2026 and Nov 14, 2026. The change Pulse detected was a product change: feature change.
What changed on Perplexity AI's pricing page between Nov 13, 2026 and Nov 14, 2026?
Model lineup tile swapped: Gemini 3.8 Flash (Google's fast model) replaced by Gemini 4 Hydrogen, tagged New (Google's latest model). Pulse compared the captures it took on Nov 13, 2026 and Nov 14, 2026; the before/after table above lists each item as written on the page.
How often does Perplexity AI change its pricing?
Pulse recorded 8 other pricing-page changes for Perplexity AI in the 90 days before this one; the previous change was "Perplexity AI adds xAI's Grok 4.7 to Pro lineup, drops Anthropic's Claude Haiku 5.5" on Oct 9, 2026; Perplexity AI has been tracked since 2026-06-27.