The Cheapest Way to Access All Frontier AI Models in 2026

2026-09-10 · 5 min read

pricingcomparisonmulti-model

If you want to use more than one frontier AI model — GPT-6 for one task, Claude Fable 5 for another, Gemini 3.1 Pro for a third — the "default" path is paying $20/month for each provider's own app. Three subscriptions, three logins, three separate context windows, $60+/month before you've touched a fourth model like DeepSeek or Kimi.

That's not actually the cheapest way to do it. Here's every real option, ranked by what you'd actually pay per month for multi-model access.

The real cost of "just subscribe to each one"

	Monthly cost	Models included
ChatGPT Plus	$20/mo	GPT-6 family only
Claude Pro	$20/mo	Claude Fable 5 family only
Gemini Advanced	~$19.99/mo	Gemini 3.1 Pro family only
All three separately	~$60/mo	3 models, 3 apps, 3 accounts

This is the baseline most people compare against, and it's the most expensive option on this list by a wide margin — you're paying full retail price three times over, and you still don't have DeepSeek or Kimi in the mix.

Cheaper paths, ranked by actual monthly cost

1. Flat-fee multi-model subscriptions (~$9.9–15/mo)

Services built specifically to bundle multiple providers behind one subscription. AIWITH.CHAT is in this category: $9.9/month for GPT-6, Claude Fable 5, Gemini 3.1 Pro, DeepSeek V4 and Kimi K3 in one chat window, switchable mid-conversation, no per-model metering. This is the cheapest way to get all five models with a predictable flat bill — you know your cost before you start typing, and it doesn't change based on which model you pick.

2. Points-based multi-model apps (~$5–20/mo, usage-capped)

Apps like Poe sell model access as a subscription priced in compute points rather than a flat fee (Poe's Starter tier is $4.99/mo for 10,000 points/day). Cheap for light, occasional use — but heavy models burn points fast, and a single long conversation with a frontier model can eat a day's allowance, pushing you toward the $19.99+ tiers if you actually use it daily.

3. Bring-your-own-key apps (variable, no ceiling)

Apps like TypingMind charge a low one-time fee for the interface (around $39 lifetime) but require you to supply your own API keys from OpenAI, Anthropic and Google — meaning you pay each provider's raw per-token rate directly, with no bundling discount and no spending cap. Genuinely the cheapest option if your usage is light and steady; expensive and unpredictable if it isn't, because there's nothing stopping a heavy week from costing more than a flat subscription would.

4. Free tiers stacked together ($0, with real limits)

You can use ChatGPT's free tier, Gemini's free tier and Claude's free tier simultaneously at no cost. This works until it doesn't: free tiers throttle hard on frontier models (you're usually bumped to a smaller model after a handful of messages), rate limits reset unpredictably, and juggling three separate apps/tabs/logins to do it has a real time cost even before you hit a usage wall.

5. Full retail, one subscription at a time ($20/mo per model)

The default path described above. Simplest to understand, most expensive per model, and locks you into whichever single provider you picked — if that model isn't the best one for a given task, you're stuck with it or paying for a second full subscription.

Cost comparison at a glance

Option	Monthly cost	Models	Predictable bill?
ChatGPT Plus + Claude Pro + Gemini Advanced	~$60/mo	3	Yes, but expensive
Points-based (e.g. Poe, light use)	~$5–20/mo	Multiple	No — scales with usage
BYOK (e.g. TypingMind)	Variable	Multiple	No — raw per-token billing
Free tiers stacked	$0	Multiple, throttled	N/A — usage-capped
Flat multi-model (e.g. AIWITH.CHAT)	$9.9/mo	5	Yes, flat
Single model, full price	$20/mo	1	Yes, but 1 model only

Bottom line

If you only ever need one model, a single $20/month subscription is fine. The moment you want more than one — which is most people, since no single model wins at everything — paying full retail for each one separately is the most expensive way to do it, not the default you're stuck with. A flat multi-model subscription gets you the most models per dollar with a bill you can predict in advance; points-based and BYOK apps can undercut that for light, occasional use but come with usage risk instead of a flat cap.