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ChatGPT Plus, Claude Pro or Google AI Pro: which is better value?

They cost about the same: ChatGPT Plus CA$25, Claude Pro CA$28 and Google AI Pro CA$26.99 a month in Canada, before tax, with ChatGPT Plus the cheapest. For writing and chat, Google AI Pro and Claude Pro are about even: their best models, Gemini 4 Argon (#2) and Claude Opus 5.5 (#3), are within Arena's margin of error. ChatGPT Plus's best, GPT-5.6 Sol (#22), ranks lower. Most people need only one of them.

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ChatGPT PlusClaude ProGoogle AI Pro
WebsiteCA$25CA$28CA$26.99
iPhone appCA$24.99CA$28CA$26.99
US priceUS$20US$20US$19.99
Best model for chat (Arena rank)GPT-5.6 Sol (#22)Claude Opus 5.5 (#3)Gemini 4 Argon (#2)
Best model for coding (Arena rank)GPT-6 Astra (#2)Claude Opus 5.5 (#1)Gemini 4 Argon (#11)
ModelsGPT-6 (Sol) at Medium or High thinking, and GPT-5.6 models; GPT-6.1 Sol and limited GPT-6 Astra in Codex and WorkOpus 5.5, Sonnet 5.5 and Haiku 5.5; the top model, Fable 5.1, costs extra (usage credits)Gemini 4 Argon, Gemini 3.1 Pro, Flash and Flash-Lite
UsageNo message numbers published for chat (“may include usage limits such as message caps”); voice up to 3 hours a dayAt least 5 times Free per 5-hour session, plus a weekly limit; no numbers published4 times Free limits; no numbers published
Tokens54K tokens, 256K when thinkingUp to 1M tokens (some older models 500K or 200K)1M tokens
Good to knowUsage limits apply; Office add-ins onlyUS$17 a month on yearly billing; Microsoft 365 and Outlook add-ins5 TB storage; 1,000 Google Flow credits
Uses
writingeditingcodingresearchimagesoffice apps
writingeditingcodingresearchoffice apps
writingeditingcodingresearchimagesvideooffice appscloud storage

Ranks come from the Arena leaderboard dataset (arena.ai, formerly LMArena), licensed CC BY 4.0, as of our last update. We matched the models to plans; Arena doesn't endorse this site. The checker shows today's ranks. Prices exclude tax.

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