Head-to-head · Google vs Perplexity
Gemini 3.1 Pro vs Perplexity
Quick answer: Gemini 3.1 Pro stands out for strong multimodal coverage. Perplexity stands out for citations make verification fast, and it has a free tier. Reviewed September 2026.
Overview
Gemini 3.1 Pro: Gemini 3.1 Pro, released by Google in February 2026, is a multimodal model with strong agentic capabilities. It is listed at $2 and $12 per million tokens for prompts up to 200,000 tokens ($4 and $18 above that) and is offered in preview on the Gemini API.
Perplexity: Search-first AI: every answer comes with citations. Pro tier gives access to GPT-4 / Claude / Sonar models and Pro Search (multi-step research).
At a glance
| Dimension | Gemini 3.1 Pro | Perplexity |
|---|---|---|
| Vendor | Perplexity | |
| Starting price | API: $2 in / $12 out per M tokens | $20/mo |
| Pricing model | Paid | Freemium |
| Free tier | No | Yes |
| Category | Generative AI | Generative AI |
Strengths and limits
Gemini 3.1 Pro
- Strong multimodal coverage
- Deep Google ecosystem integration
- Competitive price for a Pro-tier model
Watch out for
- Listed as a preview model on the pricing page
- Google has said Gemini 4 is coming
- Output style can vary between interfaces
Perplexity
- Citations make verification fast
- Pro Search beats single-shot answers for research
- Strong fit for journalists, analysts, lawyers, doctors
Watch out for
- Hallucinations still occur despite citations
- Source quality varies, verify before quoting
- Pro tier price increased through 2025
Key features
Gemini 3.1 Pro
- Multimodal understanding across text, images, audio and video
- Agentic and tool-use capabilities
- Tiered pricing for prompts over 200,000 tokens
- Available through the Gemini API and Google Cloud
Perplexity
- Cited answers with source links
- Pro Search for multi-step research
- Choice of GPT-4, Claude, Sonar models on Pro
- Spaces (saved research threads with shared context)
- Mobile app with voice
Pricing compared
Gemini 3.1 Pro is priced by usage rather than by seat: API: $2 in / $12 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.
Perplexity has a free tier and paid plans starting at $20/mo. The free tier is enough to test it on real work before you pay.
Frequently asked questions
Which is better, Gemini 3.1 Pro or Perplexity?
It depends on the work. Gemini 3.1 Pro stands out for strong multimodal coverage. Perplexity stands out for citations make verification fast, and it has a free tier.
How do Gemini 3.1 Pro and Perplexity compare on price?
Gemini 3.1 Pro is priced by usage rather than by seat: API: $2 in / $12 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing. Perplexity has a free tier and paid plans starting at $20/mo. The free tier is enough to test it on real work before you pay.
Is there a free option between Gemini 3.1 Pro and Perplexity?
Perplexity offers a free tier or free access, so you can test on real work before paying.