Virtual poolant:best

ANT Best

Quality first — only models scoring 80 or above.

Quality floor: 80/100 or above

How this pool routes

ant:best weights quality at the maximum and enforces a floor of 80, accepting higher latency and cost. Use it where the answer matters more than the bill.

Best For

Complex analysisLong-form writingHigh-stakes output

Where requests went

Live routing over the last 30 days

Requests

314

Success rate

0.32%

Avg latency

7ms

ant:bestUnknown99.7% · 313

deepseek/deepseek-v4-flash-0731OpenRouter0.3% · 1

Models in this pool

48 models across 12 providers currently qualify. Per-request limits (context size, cost caps, your model allowlist) narrow this further at routing time.

OpenAI200K👁🧠Q:96

Claude Sonnet 5

Anthropic1M👁🧠Q:96

Anthropic: Claude Opus 5.5 (batch)

OpenRouter1M👁Q:95

Anthropic: Claude Opus 4.1

OpenRouter200K👁Q:95

Anthropic: Claude Opus 5.5

OpenRouter1M👁Q:95

Anthropic: Claude Opus 4.7

OpenRouter1M👁Q:95

Anthropic: Claude Opus Latest

OpenRouter1M👁Q:95

Anthropic: Claude Opus 4.8

OpenRouter1M👁Q:95

Anthropic: Claude Opus 5

OpenRouter1M👁Q:95

Anthropic: Claude Opus 5 (batch)

OpenRouter1M👁Q:95

GPT-5

OpenAI400K👁🧠Q:95

Anthropic: Claude Opus 4.5

OpenRouter200K👁Q:95

Anthropic: Claude Opus 4.6

Claude Sonnet 4

DeepSeek V4 Pro

GPT-4.1

OpenAI: GPT-4

Command A (03-2025)

Claude 3.5 Sonnet

DeepSeek R1 671B (Venice)

GPT-4.1

Sonar Deep Research

Qwen 3 235B

Showing the 24 highest-scoring of 48.

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

Routing weights

Speed20/100

Quality100/100

Cost20/100

Selection criteria

Quality floorrequired80/100 or above

Speed weight20/100

Quality weight100/100

Cost weight20/100

Model IDant:best

Other pools

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

Browse all virtual models →