Comparison
The full AI tool comparison table
Every provider we track, on one grid. Scores are out of 100 from our own task suite; pricing is list price at the time of the last re-test.
Pricing & capacity
| Provider | Category | Flagship model | Context | Consumer | API | Free |
|---|---|---|---|---|---|---|
| ChatGPT | Chat assistant | GPT-5.1 | 400K tokens | $20 / user / mo | from $1.25 per 1M input tokens | |
| Claude | Chat assistant | Claude Opus 4.5 | 200K–1M tokens | $20 / user / mo | from $3 per 1M input tokens | |
| Gemini | Chat assistant | Gemini 3 Pro | 1M–2M tokens | $19.99 / user / mo | from $1.25 per 1M input tokens | |
| Mistral | Model API | Mistral Large 3 | 128K tokens | Usage-based | from $0.40 per 1M input tokens | |
| Perplexity | Search | Sonar (multi-model routing) | Model-dependent | $20 / user / mo | from $1 per 1M input tokens | |
| GitHub Copilot | Coding | Multi-model (GPT / Claude / Gemini) | Model-dependent | $10 / user / mo | Seat-based, no public token pricing |
Tested scores
| Provider | Reasoning | Coding | Writing | Speed | Value |
|---|---|---|---|---|---|
| ChatGPT | 95 | 92 | 91 | 84 | 82 |
| Claude | 96 | 96 | 94 | 80 | 79 |
| Gemini | 94 | 89 | 88 | 90 | 88 |
| Mistral | 85 | 84 | 83 | 93 | 95 |
| Perplexity | 84 | 70 | 82 | 92 | 87 |
| GitHub Copilot | 82 | 91 | 68 | 89 | 90 |
Feature matrix
| Feature | ChatGPT | Claude | Gemini | Mistral | Perplexity | GitHub Copilot |
|---|---|---|---|---|---|---|
| API access | ||||||
| Vision input | ||||||
| Voice mode | ||||||
| Web browsing | ||||||
| Code execution | ||||||
| Fine-tuning | ||||||
| On-prem / VPC |
Common questions
- Which AI tool is best for coding?
- Claude scores highest in our coding suite for multi-file and agentic work, with ChatGPT close behind for one-shot scripts and code explanation.
- Which AI provider is cheapest?
- On API pricing, Mistral and Gemini's fast tiers are the cheapest per million tokens. Consumer subscriptions cluster around $20 per user per month.
- Which AI tool has the largest context window?
- Gemini offers the largest context window at up to 2 million tokens, followed by Claude at up to 1 million and ChatGPT at 400,000.
FAQ
AI chatbot platforms: frequently asked questions
The questions readers send us most often when choosing an AI chatbot platform — cost, data safety, grounding on your own documents, and which tier actually fits the job.
- What is an AI chatbot platform?
- An AI chatbot platform is software that lets you build, deploy and manage conversational assistants powered by large language models. It typically bundles a model (or a choice of models), a way to ground answers in your own documents, channel integrations such as web chat, WhatsApp or Slack, and analytics on conversations.
- What is the best AI chatbot platform in 2026?
- There is no single winner. For general assistant quality ChatGPT and Claude lead our reasoning and writing tests; for research-style answers with citations Perplexity is strongest; for teams already inside Microsoft 365, Copilot wins on integration rather than raw score. Pick on the workload you actually run, then verify with the tested scores in the table above.
- What is the best free AI chatbot platform?
- ChatGPT, Gemini, Claude, Mistral and Perplexity all ship usable free tiers. Free tiers are rate-limited and usually route you to a smaller, faster model, so treat them as evaluation tools rather than production capacity.
- How much does an AI chatbot platform cost?
- Consumer plans cluster around $20 per user per month. API pricing is billed per million tokens and varies by roughly an order of magnitude between budget and flagship models, so a chatbot answering short support questions can cost cents per thousand conversations while a long-context research agent can cost dollars per session.
- Can I train an AI chatbot on my own data?
- In most cases you do not fine-tune — you use retrieval augmented generation (RAG), where your documents are embedded and the relevant passages are injected into the prompt at answer time. That keeps answers current, is far cheaper than fine-tuning, and lets you cite sources back to the user.
- Which AI chatbot platform is best for customer support?
- For support you want grounded answers, low latency and cheap tokens rather than the highest reasoning score. A mid-tier model with good RAG, strict system prompts and human handoff beats a flagship model with no grounding, and Gemini Flash and Mistral tiers are the usual cost-effective choices.
- Are AI chatbot platforms safe for business data?
- Enterprise tiers from the major providers contractually exclude your prompts from model training and offer regional data residency, SSO and audit logs. Consumer tiers often do not. Always check the data processing terms of the specific plan you buy, not the vendor's marketing page.
- Do I need code to build an AI chatbot?
- No. Every major provider offers a no-code assistant builder where you upload documents, write instructions and publish a shareable chat. You only need code when you want custom tools, your own UI, or to route between multiple models programmatically.