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ANT vs OpenRouter
Both aggregate models. But ANT routes intelligently — OpenRouter just proxies.
| Feature | OpenRouter | ANT (Antbase) |
|---|---|---|
| Model access | Multi-provider aggregator | Multi-provider + intelligent routing |
| Model selection | You pick the model | ANT picks the best model per task |
| Platform fee | 5.5% on credits | None |
| Virtual models | 1 (auto) | 12 modes + 2 tools |
| Prompt optimization | No | 30-50% token savings |
| Failover | Provider-level | Provider + model-level |
| Cost optimization | No | Auto-downroute to cheaper models |
| Free tier | Limited free models | ant:free across NVIDIA, Groq, Cerebras |
OpenRouter proxies. ANT thinks.
OpenRouter forwards your request to whatever model you pick. ANT classifies your prompt, evaluates 20,000 models, and selects the optimal one. It's the difference between a mail relay and a router.
Virtual models change everything
With OpenRouter you pick a specific model. With ANT, ant:auto handles everything — simple questions get free models, complex ones get frontier models. You stop managing models entirely.
Lower fees, more features
ANT charges 5% vs OpenRouter's 5.5%. Plus you get prompt optimization, model-level failover, and cost auto-optimization that OpenRouter doesn't offer.
One line to switch
python
# Change one line — get intelligent routing
client = OpenAI(
base_url="https://antbase.ai/v1",
api_key="ant_...",
)
response = client.chat.completions.create(
model="ant:auto", # ANT picks the best model
messages=[{"role": "user", "content": "Hello!"}],
)More Comparisons
Try ANT — keep your OpenRouter code
Change one URL. Get intelligent routing, failover, and 20,000+ models. $5 free credits to start.