OpenAI API vs ChatGPT vs Azure AI Foundry vs OpenRouter

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

Your tool
OpenAI API
vs
Competitor 1
ChatGPT
Competitor 2
Azure AI Foundry
Competitor 3
OpenRouter
Compare
4 tools · best value per row highlighted
Your tool OpenAI API
platform.openai.com
The API powering the AI ecosystem
Remove
Competitor ChatGPT
chatgpt.com
Your AI assistant for everything
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
Competitor OpenRouter
openrouter.ai
Every model, one endpoint
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
15.2Mvisits/mo
5.6Bvisits/mo
—
22Mvisits/mo
MoM change
▲ 4.6%
▲ 3.5%
—
▲ 14.6%
6-month growth
-2.4%
-1.6%
—
+39.6%
Global rank web
—
#7
—
#2,023
Avg. last 3 months
15.2M
5.5B
—
19.5M
Bounce rate lower is better
34%
30%
—
32%
Pages / visit
5.4
4.3
—
7.7
Visit duration
3m 56s
6m 35s
—
6m 13s
Traffic sources
● Direct 82% · ● Referral 15%
● Direct 95% · ● Referral 3%
—
● Direct 89% · ● Referral 10%
OpenAI APIChatGPTAzure AI FoundryOpenRouter
01.5B2.9B4.4B5.8BOpenAI 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 · 15.2MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22M1M10M100M1B10BOpenAI 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 · 15.2MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BOpenRouter · 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
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Freemium
Starting price
—
$8per month · free tier available
—
Free tier
Free tier
–
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Free trial
–
–
–
API access
–
–
Plans
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Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
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Free FreeStandard Custom/moBusiness Custom/moEnterprise Custom
Capabilities input → output
Input
AudioDocumentsImagesText
AudioCodeDocumentsImagesText
TextImagesAudio
VideoTextImagesAudio
Output
VideoTextImagesAudioCode
AudioTextCodeImages
TextImagesApps
ImagesVideoTextAudio
Skill level
Advanced
Beginner-friendly
Advanced
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Development & CodeProductivity & OfficeAI AgentAI API+2 more
Development & CodeAI APILarge Language Models (LLMs)
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
19
13
5
APIs
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Large language models
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LLM development
–
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Developer tools
–
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Agent creation
–
–
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Agents
–
–
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Chatbots
–
–
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LLM gateway
–
–
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Agent management
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–
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Blogging
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–
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Coding
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–
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Copywriting
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–
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Email writing
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–
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Essay writing
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–
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Grammar checking
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Image generation
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Image to text
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Model routing
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Models management
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Research
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–
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Search engine
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–
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Summarizing
–
–
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Translations
–
–
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Writing
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AI system monitoring
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API integrations
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Azure
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–
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Chatbot building
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Code documentation
–
–
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Debugging
–
–
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Community on aitoolstime
Rating
no ratings yet
★ 4.34 ratings
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 17
▲ 0
▲ 0
Saves
0
4
0
0
Reviews
0
4
0
0
Prompts
0
17
0
0
Verified listing
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–
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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.