OpenRouter vs MostlyAI vs Defapi vs Together AI

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

Your tool
OpenRouter
vs
Competitor 1
MostlyAI
Competitor 2
DDefapi
Competitor 3
Together AI
Compare
4 tools · best value per row highlighted
Your tool OpenRouter
openrouter.ai
Every model, one endpoint
Remove
Competitor MostlyAI
mostly.ai
Make main Remove
Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
Make main Remove
Competitor Together AI
together.ai
Open-source models without infrastructure
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
22Mvisits/mo
43.5Kvisits/mo
2.4Kvisits/mo
785.1Kvisits/mo
MoM change
▲ 14.6%
▼ 22.5%
▼ 42.6%
▼ 6.4%
6-month growth
+39.6%
-35.7%
-86.2%
+1.9%
Global rank web
#2,023
#791,007
#4,650,820
#60,843
Avg. last 3 months
19.5M
55.6K
4.8K
794.7K
Bounce rate lower is better
32%
39%
36%
42%
Pages / visit
7.7
1.8
1.4
3.2
Visit duration
6m 13s
22s
7s
1m 57s
Traffic sources
● Direct 89% · ● Referral 10%
—
—
● Direct 77% · ● Referral 21%
OpenRouterMostlyAIDefapiTogether AI
05.5M11M16.5M22MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MMostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KTogether AI · 566.8KTogether AI · 552.7KTogether AI · 645.8KTogether AI · 637.7KTogether AI · 770.2KTogether AI · 792.8KTogether AI · 756.1KTogether AI · 760.5KTogether AI · 838.4KTogether AI · 785.1K1K10K100K1M10M100MOpenRouter · 7.5MOpenRouter · 8.6MOpenRouter · 8.4MOpenRouter · 11.2MOpenRouter · 15.8MOpenRouter · 17.9MOpenRouter · 16.8MOpenRouter · 17.3MOpenRouter · 19.2MOpenRouter · 22MMostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KTogether AI · 566.8KTogether AI · 552.7KTogether AI · 645.8KTogether AI · 637.7KTogether AI · 770.2KTogether AI · 792.8KTogether AI · 756.1KTogether AI · 760.5KTogether AI · 838.4KTogether AI · 785.1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Paid
Paid
Starting price
Free tier
Free
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$1.99per month
Free tier
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Free trial
–
–
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API access
–
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Plans
Free FreeStandard Custom/moBusiness Custom/moEnterprise Custom
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Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
Serverless Inference $0.30/usage-basedDedicated Inference GPU $3.99/usage-basedGPU Clusters $1.99/usage-basedFine-Tuning $0.34/usage-based
Capabilities input → output
Input
VideoTextImagesAudio
DataText
TextImagesAudio
CodeAudioImagesText
Output
VideoTextImagesAudio
Data
TextImagesAudio
VideoAudioCodeImagesText
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeResearch & AnalyticsAI Developer ToolsAI For Data Analytics
Development & CodeAI API
Development & CodeAI APIAI Developer ToolsOpen Source AI Models
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
6
4
8
APIs
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Developer tools
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Development
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API integrations
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Inference
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LLM gateway
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Synthetic data
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API management
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Data analysis
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Fine-Tuning
–
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GPU infrastructure
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–
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Large language models
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Models
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API security
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Data anonymization
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Data privacy compliance
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–
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Data science
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LLM comparison
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LLM development
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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
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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.