OpenAI API vs Anthropic Claude API vs OpenRouter vs Azure AI Foundry

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
OpenAI API
vs
Competitor 1
Anthropic Claude API
Competitor 2
OpenRouter
Competitor 3
Azure AI Foundry
Compare
4 tools · best value per row highlighted
Your tool OpenAI API
platform.openai.com
The API powering the AI ecosystem
Remove
Competitor Anthropic Claude API
anthropic.com
Build on Claude's capabilities
Make main Remove
Competitor OpenRouter
openrouter.ai
Every model, one endpoint
Make main Remove
Competitor Azure AI Foundry
azure.microsoft.com
Azure AI Foundry, now branded Microsoft Foundry, is Microsoft's enterprise platform for building, grounding and governing AI applications and agents.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
15.2Mvisits/mo
13.8Mvisits/mo
22Mvisits/mo
—
MoM change
▲ 4.6%
▼ 39.4%
▲ 14.6%
—
6-month growth
-2.4%
-43.4%
+39.6%
—
Global rank web
—
#3,345
#2,023
—
Avg. last 3 months
15.2M
25.7M
19.5M
—
Bounce rate lower is better
34%
67%
32%
—
Pages / visit
5.4
1.8
7.7
—
Visit duration
3m 56s
1m 35s
6m 13s
—
Traffic sources
● Direct 82% · ● Referral 15%
● Direct 81% · ● Referral 16%
● Direct 89% · ● Referral 10%
—
OpenAI APIAnthropic Claude APIOpenRouterAzure AI Foundry
010.1M20.2M30.4M40.5MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MAnthropic Claude API · 9.9MAnthropic Claude API · 9.4MAnthropic Claude API · 9.5MAnthropic Claude API · 16.1MAnthropic Claude API · 24.4MAnthropic Claude API · 25.9MAnthropic Claude API · 22.4MAnthropic Claude API · 40.5MAnthropic Claude API · 22.8MAnthropic Claude API · 13.8MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22M1M10M100MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MAnthropic Claude API · 9.9MAnthropic Claude API · 9.4MAnthropic Claude API · 9.5MAnthropic Claude API · 16.1MAnthropic Claude API · 24.4MAnthropic Claude API · 25.9MAnthropic Claude API · 22.4MAnthropic Claude API · 40.5MAnthropic Claude API · 22.8MAnthropic Claude API · 13.8MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
—
Starting price
—
$17per month · free tier available
Free tier
—
Free tier
–
–
Free trial
–
–
API access
–
–
Plans
—
Plan $17.0 $17/moPlan $20.0 $20/moPlan $25.0 $25/moPlan $100.0 $100/mo+2 more
Free FreeStandard Custom/moBusiness Custom/moEnterprise Custom
—
Capabilities input → output
Input
AudioDocumentsImagesText
TextImagesDocumentsCode
AudioImagesTextVideo
TextImagesAudio
Output
AudioCodeImagesTextVideo
TextCode
AudioImagesTextVideo
TextImagesApps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeProductivity & OfficeAI AgentAI API+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
1
4
5
2
APIs
–
Large language models
–
–
Development
–
–
Agents
–
–
–
LLM gateway
–
–
–
Agent creation
–
–
–
Coding
–
–
–
LLM comparison
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 3
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.