Virtual poolant:fast

ANT Fast

Latency first — the quickest model that can still do the job.

Try in Playground

How this pool routes

ant:fast weights speed at the maximum and accepts lower quality scores in exchange. Use it for interactive paths where a fast adequate answer beats a slow excellent one.

Best For

AutocompleteInteractive UIHigh-volume classification

Where requests went

Live routing over the last 30 days

Requests

315

Success rate

0%

Avg latency

3ms

ant:fastUnknown100% · 315

Models in this pool

24,347 models across 34 providers currently qualify. Per-request limits (context size, cost caps, your model allowlist) narrow this further at routing time.

o3

OpenAI200K👁🧠Q:96

o3

OpenAI200K👁🧠Q:96

Claude Sonnet 5

Anthropic1M👁🧠Q:96

GPT-5

OpenAI400K👁🧠Q:95

Anthropic: Claude Opus 4.1

OpenRouter200K👁Q:95

Anthropic: Claude Opus 5 (batch)

OpenRouter1M👁Q:95

Anthropic: Claude Opus 4.5

OpenRouter200K👁Q:95

Anthropic: Claude Opus 5.5

OpenRouter1M👁Q:95

Anthropic: Claude Opus 4.7

OpenRouter1M👁Q:95

Anthropic: Claude Opus 4.6

OpenRouter1M👁Q:95

Anthropic: Claude Opus 5

OpenRouter1M👁Q:95

Anthropic: Claude Opus 5.5 (batch)

OpenRouter1M👁Q:95

Anthropic: Claude Opus 4.8

OpenRouter1M👁Q:95

Anthropic: Claude Opus Latest

OpenRouter1M👁Q:95

Claude Sonnet 4

Anthropic200K👁🧠Q:92

DeepSeek R1 671B (Venice)

Venice66K🧠Q:88

Command A (03-2025)

Cohere256K🧠Q:88

GPT-4.1

OpenAI1.0M👁Q:88

GPT-4.1

OpenAI1.0M👁Q:88

Claude 3.5 Sonnet

Anthropic200K👁Q:88

Qwen 3 235B

Alibaba131K🧠Q:88

DeepSeek V4 Pro

DeepSeek1M🧠Q:88

OpenAI: GPT-4

OpenRouter8KQ:88

Sonar Deep Research

Perplexity127K🧠Q:88

Showing the 24 highest-scoring of 24,347.

Quick Start

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:fast",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

Routing weights

Speed100/100
Quality30/100
Cost70/100

Selection criteria

Speed weight100/100
Quality weight30/100
Cost weight70/100
Model IDant:fast

Other pools

Every virtual pool accepts the same request shape — swap the model id to change the routing policy.

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