OpenRouter vs Perplexity Sonar API vs APIMart vs FastRouter

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

Your tool
OpenRouter
vs
Competitor 1
Perplexity Sonar API
Competitor 2
APIMart
Competitor 3
FastRouter
Compare
4 tools · best value per row highlighted
Your tool OpenRouter
openrouter.ai
Every model, one endpoint
Remove
Competitor Perplexity Sonar API
docs.perplexity.ai
Perplexity Sonar API is the developer platform behind Perplexity's real-time web research, exposed as a Router API, an Agent API, a Search API and an Embeddings API.
Make main Remove
Competitor APIMart
apimart.ai
Developers wanting access to hundreds of AI models without juggling multiple API keys need something different than ChatGPT's single-model approach
Make main Remove
Competitor FastRouter
fastrouter.ai
This LLM gateway lets teams tap into over 100 AI models through one API endpoint
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
22Mvisits/mo
—
326.9Kvisits/mo
15.5Kvisits/mo
MoM change
▲ 14.6%
—
▲ 23.2%
▼ 62.7%
6-month growth
+39.6%
—
+278.0%
+4.7%
Global rank web
#2,023
—
#145,689
#1,733,591
Avg. last 3 months
19.5M
—
291K
23.1K
Bounce rate lower is better
32%
—
40%
45%
Pages / visit
7.7
—
4.7
1.5
Visit duration
6m 13s
—
3m 21s
15s
Traffic sources
● Direct 89% · ● Referral 10%
—
● Direct 95% · ● Referral 5%
● Direct 95% · ● Referral 5%
OpenRouterPerplexity Sonar APIAPIMartFastRouter
05.5M11M16.5M22MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MAPIMart · 11.8KAPIMart · 36.6KAPIMart · 73.1KAPIMart · 75.8KAPIMart · 86.5KAPIMart · 186.8KAPIMart · 327.6KAPIMart · 280.9KAPIMart · 265.3KAPIMart · 326.9KFastRouter · 4.9KFastRouter · 14.8KFastRouter · 11KFastRouter · 10.2KFastRouter · 12.2KFastRouter · 41.6KFastRouter · 15.5K1K10K100K1M10M100MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MAPIMart · 11.8KAPIMart · 36.6KAPIMart · 73.1KAPIMart · 75.8KAPIMart · 86.5KAPIMart · 186.8KAPIMart · 327.6KAPIMart · 280.9KAPIMart · 265.3KAPIMart · 326.9KFastRouter · 4.9KFastRouter · 14.8KFastRouter · 11KFastRouter · 10.2KFastRouter · 12.2KFastRouter · 41.6KFastRouter · 15.5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Free
Freemium
Starting price
Free tier
—
Free
$199per month · free tier available
Free tier
–
Free trial
–
–
–
–
API access
Plans
Free FreeStandard Custom/moBusiness Custom/moEnterprise Custom
Router API CustomAgent API CustomSearch API CustomEmbeddings API Custom+1 more
Usage-Based Pricing Custom/usage-based
Starter FreePro $199/moBusiness $799/moEnterprise Custom
Capabilities input → output
Input
AudioVideoTextImages
Text
TextImages
TextImagesAudio
Output
VideoTextImagesAudio
Text
ImagesVideoTextAudio
VideoTextImagesAudio
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI API
Development & CodeAI API
Development & CodeAI APIAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
5
9
6
6
APIs
LLM gateway
Developer tools
–
Model routing
–
–
API integrations
–
–
Development
–
–
Web search
–
–
–
Image generation
–
–
–
Information retrieval
–
–
–
Large language models
–
–
–
Web search summaries
–
–
–
API management
–
–
–
Agents
–
–
–
LLM comparison
–
–
–
Video generation
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 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.