Buyer's guide · 9 min read
The Best AI Tools in 2026: A Practical Shortlist
We tested the major AI assistants, model APIs and coding tools on real work. Here is the shortlist that actually survives day-to-day use in 2026.
Independent research · updated July 2026
Every AI tool claims to be the best.We measured them instead.
aiz.to compares AI assistants, model APIs and coding tools on a fixed suite of real professional tasks — then publishes the pricing, context limits and scores side by side, with no vendor input.
- 200+
- Tasks in the suite
- 6
- Providers tracked
- Quarterly
- Full re-test
- 0
- Sponsored scores
Top rated
Highest scoring providers
#1 · Chat assistant96
Claude
Anthropic
Long-context reasoning and the strongest agentic coding behaviour.
$20 / user / moRead review →
#2 · Chat assistant95
ChatGPT
OpenAI
The default general-purpose assistant with the deepest tooling ecosystem.
$20 / user / moRead review →
#3 · Chat assistant94
Gemini
Google DeepMind
Enormous context windows and native Google Workspace reach.
$19.99 / user / moRead review →
At a glance
Pricing and capability, side by side
| Provider | Flagship model | Context | From | Free tier | API |
|---|---|---|---|---|---|
| ChatGPT | GPT-5.1 | 400K tokens | $20 / user / mo | ||
| Claude | Claude Opus 4.5 | 200K–1M tokens | $20 / user / mo | ||
| Gemini | Gemini 3 Pro | 1M–2M tokens | $19.99 / user / mo | ||
| Mistral | Mistral Large 3 | 128K tokens | Usage-based | ||
| Perplexity | Sonar (multi-model routing) | Model-dependent | $20 / user / mo | ||
| GitHub Copilot | Multi-model (GPT / Claude / Gemini) | Model-dependent | $10 / user / mo |
Latest writing
From the blog
Cost · 7 min read
AI API Pricing Explained: Tokens, Context and Real Cost
Token pricing is simple on paper and misleading in practice. A clear breakdown of what actually drives your AI API bill, and how to cut it.
Comparison · 8 min read
Claude vs ChatGPT vs Gemini: Which One Should You Pay For?
A head-to-head comparison of the three leading AI assistants across reasoning, coding, writing, context and price — with a clear recommendation.