Best for · 14 June 2026

Cheapest useful AI plan

The lowest-cost plan that still does real work — not just a stripped free tier. Scored from the most relevant parameters in our matrix.

Winner

Cheapest useful AI plan — our pick: MultipleChat

Ranked by the parameters that matter for this use case.

🥇
Multi-model · from $8.99 / mo
100/100
🥈
Perplexity · $20 / mo
95/100
🥉
Anthropic · $20 / mo
85/100
4
Google · $19.99 / mo
85/100
5
Microsoft · $20 / mo
85/100
6
OpenAI · $20 / mo
72/100
7
xAI · $30 / mo
66/100
Why

Why MultipleChat leads here

100

The all-in-one platform: the only one that runs several models side by side and lets them work together with AI Collab modes (debate, ensemble, co-operative, expert), with Perplexity search, 8 image models and Studios from $8.99 – top value and privacy.

Runner-up: Perplexity

Research and data engine: multi-model routing, citations, file analysis and Labs. A superb specialist, lighter on creative extras. It scores 95/100 on the parameters that matter here, just behind MultipleChat. Pick it if you already rely on its ecosystem or a specific feature it wins.

How we scored this

We rank only by the parameters relevant to this use case — Entry price / month, Free tier, Annual discount, Models included for the price — pulled straight from the matrix, not the overall weighted score. So a great all-rounder can still lose here to a focused specialist, and vice-versa.

When to pick someone else

No single tool wins for everyone. If your real workload leans elsewhere, check the other category leaderboards before you commit.

Read the MultipleChat review All scores
FAQ

Cheapest useful AI plan — questions

Which AI subscription is best for cheapest useful ai plan?

In our scoring, MultipleChat ranks first for this use case (100/100 on the relevant parameters), with Perplexity close behind. The ranking is derived from the matrix, so you can verify every row.

How is this ranking calculated?

We score only the parameters that matter for this use case and average them into a 0–100 figure. It is independent of the overall weighted champion — see the methodology.

Are prices and limits up to date?

We re-check regularly and date the page, but AI plans change fast. Confirm current pricing and limits on the official page; our pricing archive links every source.