ant:freeZero-cost routing across every free model in the pool.
ant:free routes only to models that cost nothing, drawing on the free-model pool and its own fallback chain across providers. Throughput is bounded by upstream free-tier rate limits rather than your balance.
Live routing over the last 30 days
Requests
47,763
Success rate
99.98%
Avg latency
504ms
28 models across 10 providers currently qualify. Per-request limits (context size, cost caps, your model allowlist) narrow this further at routing time.
Nemotron 3 Ultra 550B
GPT-OSS 120B
DeepSeek R1
Command A (2025)
Gemini 3.6 Flash
Nemotron 3.5 Super VL
Gemini 2.5 Flash
DeepSeek V3.1
Qwen3.8 27B
Command R+
North Mini Code
Flint v1.0
Llama 3.3 70B
Llama 4 Scout
Nemotron 3.5 Lightning
GLM 4.7 Flash
Dots 3 Note Preview
GLM 4.6V Flash
Nemotron 3 Nano Omni Reasoning
Gemma 4 31B
GPT-OSS 20B
Command R
Mistral Small 3.1
Xing4.0 29B A4B
Showing the 24 highest-scoring of 28.
from openai import OpenAI
client = OpenAI(
base_url="https://api.antbase.ai/v1",
api_key="YOUR_ANT_API_KEY",
)
response = client.chat.completions.create(
model="ant:free",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)Every virtual pool accepts the same request shape — swap the model id to change the routing policy.
Browse all virtual models →