The best AI tools with an API for developers in 2026

Anthropic's coding agent, in your terminal and your editor.

Included in Claude's paid plans: Pro $17/month annual ($20 monthly), Max $100 and $200/month. Teams from $20/seat. Also available via API.

Create videos with realistic AI avatars and translation into 175+ languages.

From $29/month (Creator plan). Free plan available with limits (3 videos/month, watermark, 720p).

Create professional videos with AI avatars and voices in 160+ languages.

From $18/month (Starter plan, annual) or $29/month (monthly). Free plan available with 10 minutes/month and a Synthesia watermark.

The world's most popular AI chatbot, built by OpenAI.

Plus plan from $20/month. Free plan available.

Anthropic's AI assistant, a benchmark for writing and coding.

Pro plan from €18/month. Free plan available.

AI assistant that suggests code in real time inside your editor

Free plan (2,000 completions/month). Pro from $10/month. Pro+ $39/month. Max $100/month. Business $19/user/month. Enterprise $39/user/month.

Ultra-realistic AI voice generation: text to speech, cloning and dubbing.

Free plan with 10,000 credits/month. Paid plans from $5/month (billed annually) or $6/month (monthly) on the Starter plan.

AI image generator that excels at legible text inside the image.

Free plan available (10 slow credits/week). Paid plans from $15/month (Plus, annual) up to $60/month (Pro). API from $0.025 per image.

Marketing AI for creating written and visual content in your brand voice.

Pro plan from $59/month billed annually ($69/month billed monthly). Business plan on custom pricing. Includes a 7-day free trial; there is no permanent free plan.

The benchmark SEO suite for backlinks, now with AI visibility.

Starter $29/month; Lite $129, Standard $249, Advanced $449 (annual). Brand Radar AI indexes from $199/month extra.

Online graphic design with AI: templates and visual content editing.

Free plan available. Pro from $15/month (billed monthly) or $120/year. Business from $20/month per user. Enterprise on custom pricing.

AI video and audio editor where you edit by changing the transcript text.

Free plan available with limited features. Paid plans from $24/month (billed annually) for Hobbyist, $35/month for Creator and $65/month for Business.

AI suite to generate, edit and enhance images, video and 3D models in real time

From $9/month (Basic plan). Free plan available with 100 daily compute units. Paid plans: Basic $9, Pro $35, Max $105, Business $200, Enterprise custom.

Workflow and AI agent automation, open source and self-hostable.

Self-hosted free (Community). Cloud from €24/month (2,500 executions).

The leading SEO suite, with AI tools and chatbot visibility tracking.

Pro from $117.33/month (annual) or $139.95/month. 7-day free trial.