New AI chatbots to watch in 2026

Anthropic shipped four model releases in Claude this autumn: Opus 5.5, which leads in agentic coding and knowledge work and costs 40% less to run than Opus 5 on typical workloads; Sonnet 5.5, a clear upgrade over Sonnet 5 that runs 30%+ faster; Haiku 5.5, its fastest small model; then Claude Fable 5.2 and Claude Mythos 5.2, presented as its most capable models for difficult technical work in coding, finance and the sciences. Read more in our Claude review.

The catch is where Fable sits. Free gives limited usage every 5 hours and every week, without Fable. Pro costs $17 a month with the yearly discount ($200 billed up front) or $20 month to month, and Fable is there paid with usage credits, on top of the subscription. Max, at $100 a month, includes Fable up to half your weekly limit, plus $100 a month in API credits. The new Ultra plan, at $200 a month, removes the 5-hour limit for verified accounts, gives 10 times Pro's weekly usage and $200 in API credits. Among individual plans, only Pro has a yearly price: Max and Ultra are billed monthly.

What a limit means here: Claude counts your usage over a rolling five-hour window, and paid plans add a weekly ceiling, shared across web, desktop and mobile. A heavy day can lock you out until the window rolls over, and recent 2026 user reviews complain of hitting limits within a day or two even on paid plans.

Who it's for: long documents, careful writing and code. Skip it if you want the newest model at $20: on Pro, Fable costs extra. Weighing the field? See our Claude alternatives.

Perplexity answers from the web and cites its sources, which is why research teams keep it next to a general chatbot. The new part is Perplexity Computer, an agent for longer tasks, paid with credits.

Pro costs $17 a month billed yearly, with Computer access, deep research, a choice between top AI models and 4,000 bonus credits. Max costs $167 a month billed yearly, with maximum Computer usage, 35,000 bonus credits and 10,000 credits that refill every month.

A credit is what Computer consumes. Pro's 4,000 credits are a one-time bonus that expires in about 30 days, and Pro now adds a weekly amount of Computer usage; only Max adds 10,000 credits every month. Users reported in 2026 that Computer burns through credits faster than they expected: start on Pro before committing to Max.

Who it's for: anyone who needs to check where an answer comes from. Skip it if you mostly write or code: a general chatbot does more for the money. Other options in our Perplexity alternatives.

Google's new generation is Gemini 4: Argon, its newest frontier model for complex tasks, rolled out in the Gemini app to Google AI Pro and Ultra subscribers, and Carbon, presented as its next frontier model and listed on the Ultra plan. The app also arrived on Windows, connects to more than 40 apps, and runs the Google Antigravity coding agent inside the macOS app. More in our Gemini review.

The plan decides the model. The free tier uses Google's Flash-Lite model. Google AI Plus, at $4.99 a month, moves you to the Flash model with twice the free usage limits and video generation. Gemini 4 Argon starts with Google AI Pro at $19.99 a month, with four times the free usage, Gemini in Gmail and Docs, and 1,000 Google Flow credits for video. Google AI Ultra starts at $99.99 a month (5 times Pro's limits) or $199.99 (20 times), with the highest access to Argon and Carbon. Eligible US college students can get a year of AI Pro at no cost, an offer open until the end of 2026, after which it renews at the standard monthly price.

Who it's for: people who live in Gmail, Docs and Drive. Skip it if you expect the new model for free: the free app runs Flash-Lite. Compare with our Gemini alternatives.

Vibe is the assistant of Mistral, the French AI company: in 2026 Mistral renamed Le Chat to Vibe, one agent and one licence across work and code, with every conversation and plan carried over. Work Mode handles long multi-step tasks on web and mobile; Code Mode runs remote coding agents. The old turn-based Chat mode is due to be retired. Its models moved fast too: Mistral Large 4, Voxtral 3 for voice agents, then Le Chonk, a model for coding and cybersecurity whose weights Mistral released openly.

Vibe has a free plan with limited messages and web searches. Pro costs $14.99 a month excluding taxes, with more messages and web searches, full access to Vibe for coding, and chat and email support. Verified students pay $5.99, for 12 months at most and only if they never used Vibe or Le Chat before. Team costs $24.99 per user per month, with up to 30 GB of storage per user, domain verification and data export; it also raises Flash answers to 200 a day, against 150 on Pro. Enterprise adds private deployments and SAML SSO.

Who it's for: a European company that prefers a European provider, and students. Skip it if your team lives in Microsoft 365 or Google Workspace, where Copilot or Gemini sit inside the apps.

For a company on Microsoft 365, Copilot is the chatbot sold with, or on top of, its Microsoft 365 plan. The new part of its pricing is the split: everyday AI is included in your license, and advanced AI, the work you hand off to agents, is billed as you use it.

Microsoft 365 Copilot Business, the add-on to an existing Microsoft 365 Business plan, is listed at $21 per user per month paid yearly, and from $18 under a discount that runs until the end of 2026. Bundles exist: Microsoft 365 Business Standard with Copilot at $23.50, Business Premium with Copilot at $32, both per user per month paid yearly. A yearly subscription renews on its own; month to month, the add-on costs $25.20, Standard with Copilot $28.20 and Premium with Copilot $38.40 per user.

Who it's for: a team that writes and meets in Microsoft 365 all day. Skip it if you are on Google Workspace: Gemini sits there instead.

SpaceXSI, the company behind Grok, released Grok 4.7, its most powerful model for coding and knowledge work, then Grok Voice 3.0 and the X Subscription, one plan that bundles Grok, Grok Bot, Cursor and X Premium. Grok searches the web and X live. See our Grok review.

Plus costs $8 a month or $80 a year. Premium costs $30 a month or $300 a year, with 4 times Plus's usage, Grok Bot and the latest Grok models. Super costs $100 a month ($1,000 a year), with 15 times Plus's usage and 1080p videos of 15 seconds; Ultra $200 a month ($2,000 a year), with 50 times. Prices exclude tax. Your usage pool is shared between Grok and Cursor and refreshes weekly; third-party models in Cursor and API calls are billed separately. Cancel at least 24 hours before renewal to avoid another charge.

Who it's for: people who follow news and trends on X. Skip it if you only want a chatbot: part of the bundle is X perks such as fewer timeline ads. For other options, see our Grok alternatives.

DeepSeek, the Chinese lab, updated its Flash model to V4.1-Flash-1017, with better project development work at lower cost and faster speed, and its API now searches and reads the web. You chat with it on its website or in its app; the site's paid side is the API.

The API is where DeepSeek stands out, priced per million tokens (a token is a word, a number or even a punctuation mark). Flash costs $0.15 per million input tokens ($0.003 when the input is a cache hit) and $0.60 per million output tokens off-peak, and twice that at peak hours ($0.30 and $1.20). V4-Pro costs $0.66 and $1.98 off-peak, $1.32 and $3.96 at peak. Both handle 1 million tokens of context. Web search and page fetch are separate APIs at $0.75 per 1,000 successful requests. Schedule batch jobs off-peak and the bill halves.

Who it's for: developers who want a cheap model behind their own app. Skip it if your company's data rules exclude a provider based in China: check before you send client data. Compare it with others in our LLM API ranking or our DeepSeek alternatives.