abliteration · Frontier

Abliterated Model Large V2

Added Aug 31, 2026

Abliteration.ai's default unrestricted large text reasoning model is derived from GLM-5.3 and weight-modified to reduce refusals compared with the base model. It supports native tool calling, structured output, automatic prompt caching, and a one-million-token context window.

Reasoning
Tools
Structured output

Input: Text
Output: Text
Reasoning effort: low · high · max
Discovery tier: Frontier

Pricing

USD per 1M tokens

Input: $3.00
Output: $5.00
Cache read: $0.30

Reference prices as published by the model provider. API example

Specifications

Context window: 1M
Max output: 1M
Average output (7 days): 844 tokens; Longer than 66% of 473 models

Side by side

Compare models

Put Abliterated Model Large V2 next to up to three other models. The comparison stays in the link, so you can share it.

TryEmber 1 AionLabs: Aion 3.5 Claude Sonnet 4.6 All 3

Public evaluations

Benchmarks

Independent evaluation results, with how each score ranks among the models in the Noumen catalog.

#6Combined22.6%

Ranks among Noumen catalog models on Combined leaderboards. Only top-20 placements are listed.

Live routing data

Performance and reliability

Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.

Throughput: 181.4 tok/s; Faster than 83% of 260 models
Time to first token: 2.8 s; Quicker than 58% of 260 models
Prompt cache hits: 97.6%; About $0.37 per 1M input tokens with caching
Request success (24h): 99.6%; Reliable

Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.

Hourly request success · last 72 hoursLowest hour 96.7%

Healthy (98% or more)
Degraded (90–98%)
Down (under 90%)
No requests

Developers

Use it through the API

Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.

Read the quickstart

curl https://www.noumen.xyz/api/v1/chat/completions \
  -H "Authorization: Bearer $NOUMEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "abliteration-ai/abliterated-model-large-v2",
    "reasoning_effort": "low",
    "messages": [{ "role": "user", "content": "Explain this stack trace." }]
  }'

import os
from openai import OpenAI

client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
    model="abliteration-ai/abliterated-model-large-v2",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

abliteration

Other abliteration models, starting with the same family.