Now on VeniceLLMAnonymous

Pareto

Unbiased AI's blended multimodal LLM — it runs several models in parallel on the same request and returns the synthesized best answer, with a 1M-token context.

For agents
curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "pareto",
    "messages": [{ "role": "user", "content": "Explain quantum tunneling simply." }]
  }'
Maker
Unbiased AI (built by Circuit & Chisel, US/Canada)
Context
1,000K tokens
Reasoning
Not supported
Privacy
Anonymous

Overview

What is Pareto

Pareto is Unbiased AI's blended multimodal LLM. Instead of routing your request to a single model, it runs several in parallel and returns a synthesized best answer, without switching models mid-conversation. It accepts text and image input, supports tool calling and web search, and offers a 1M-token context for research, coding, and agentic workflows.

Using it anonymously on Venice

On Venice, Pareto runs under the anonymized privacy tier — your prompts are not stored, profiled, or fed into a personal history, which matters when you're piping source code or research material through a composite model. You pay per token ($1 in · $4 out per 1M, with cached input at $0.04) instead of a subscription, and the same blended behavior is available through the Venice app or the OpenAI-compatible API. Note that this tier is anonymized rather than end-to-end encrypted or TEE-isolated.

AnonymousNo prompt training

Agent quickstart

Three calls, copied straight out

The API is OpenAI-compatible: change the base URL and the model id and existing client code works unchanged.

Streaming chat

curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "pareto",
    "stream": true,
    "messages": [{ "role": "user", "content": "Draft the release note." }]
  }'

Tool calling

curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "pareto",
    "messages": [{ "role": "user", "content": "Find the rate limits." }],
    "tools": [{
      "type": "function",
      "function": {
        "name": "search_docs",
        "description": "Search the API documentation.",
        "parameters": {
          "type": "object",
          "properties": { "query": { "type": "string" } },
          "required": ["query"]
        }
      }
    }],
    "tool_choice": "auto"
  }'

Python SDK

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["VENICE_API_KEY"],
    base_url="https://api.venice.ai/api/v1",
)

resp = client.chat.completions.create(
    model="pareto",
    messages=[{"role": "user", "content": "Build without permission."}],
)
print(resp.choices[0].message.content)

Specifications

Datasheet

Maker
Unbiased AI (built by Circuit & Chisel, US/Canada)
Modality
Text and image input; text output only
Open weights
No
License
Proprietary
Context window
1,000K tokens
Input images
Accepted — image input supported; formats and size limits not published
Released
September 17, 2026
Architecture
Blended composite model — runs multiple LLMs in parallel on the same request and synthesizes one answer; no mid-conversation model switching, which preserves prompt caching
Max output
32K tokens
Capabilities
Vision, Function calling, Web search
Privacy on Venice
Anonymized — prompts not stored
Available on Venice since
Oct 2026

Assessment

Strengths and limitations

Strengths
  • Blended architecture: several models compete on the same request and Pareto returns the synthesized best answer, smoothing over any single model's weak spots.
  • No mid-conversation model switching, so prompt caching stays intact across a session — cached input on Venice bills at just $0.04 per 1M tokens.
  • Full 1M-token context window for whole-codebase analysis, long research corpora, and massive document dumps.
  • Vision (image input), function calling, and web search are all supported, making it a credible backbone for agentic pipelines.
  • Unbiased publishes its benchmark losses (Terminal-Bench 4.0, HLE) alongside its wins — a refreshing change from cherry-picked marketing.
  • At $1 in · $4 out per 1M on Venice, it undercuts comparably specced frontier rivals like Grok 4.7 and Muse Wonder.
Limitations
  • Closed and proprietary: no open weights, so self-hosting or fine-tuning is off the table.
  • Third-party listings report no dedicated reasoning mode, unlike explicit reasoning models.
  • Headline benchmark numbers are self-published by Unbiased, not independently verified.
  • Output-only text: no image, audio, or native PDF output, and no native PDF input either.
  • Not an uncensored model: Venice pairs it with uncensored alternatives for users who need that.

Use cases

What it is good for

  1. 01Research synthesis over very long source corpora, using the full 1M-token context.
  2. 02Coding and agentic pipelines that need consistent tool-calling behavior across a session.
  3. 03Vision tasks that mix screenshots or diagrams with textual analysis.
  4. 04Cost-effective general-purpose work where you want blended-model quality without frontier pricing.
  5. 05Multi-step agent runs that benefit from prompt caching on a stable conversation history.

Prompting

Getting better results

Keep your system prompt and conversation history stable across turns — reused input bills at the $0.04/1M cached rate instead of $1.

Attach screenshots, charts, or UI captures as image input rather than describing them; Pareto handles vision natively.

Define your tool schemas up front and let function calling drive multi-step agent loops instead of narrating steps in prose.

For anything time-sensitive, explicitly ask Pareto to use web search rather than relying on training data.

Dump entire codebases or document sets in one prompt — the 1M context is there to be used, and cached history keeps re-reads cheap.

Ask for the outcome, not for a specific underlying model's style — the blend picks the strongest response, so style directives can fight the synthesis.

Alternatives

How it compares

ModelBest forContextOpen weightsPrice (Venice)
ParetoBlended multi-model answers1M tokensNo$1 in · $4 out / 1M
Gemini 3.8 FlashFast general-purpose chat1M tokensNo$0.94 in · $4.69 out / 1M
Muse Spark OpenOpen-weight long-context work1M tokensYes$1.56 in · $5.31 out / 1M
Qwen 3.7 PlusBudget 1M-context tasks1M tokensNo$0.50 in · $2 out / 1M

Pareto is the right pick when you want one endpoint that quietly blends several models and returns the strongest answer — especially for research and agentic pipelines that lean on cached 1M-token context. If the lowest token price or open weights matter more than blended quality, Qwen 3.7 Plus or Muse Spark Open are the better fit.

Pricing

What it costs on Venice

Billed per token on Venice: $1 per 1M input tokens and $4 per 1M output tokens.

Input / 1M tokens
$1
Per 1M tokens
Output / 1M tokens
$4
Per 1M tokens
Cached input / 1M
$0.04
Per 1M tokens

New Venice accounts include a free daily allowance and 500 welcome credits — no credit card required.

Getting a key

From nothing to a first call

  1. 01

    Create a key in API settings. Nothing else is required to start.

  2. 02

    Export it as VENICE_API_KEY so the snippets above run unedited.

  3. 03

    Point an existing OpenAI client at https://api.venice.ai/api/v1. The scheme is part of the value: an OpenAI client given a bare host does not resolve it.

  4. 04

    Pass pareto as the model and send the request.

FAQ

Frequently asked questions

Pareto is a blended multimodal LLM from Unbiased AI, built by the remote-first team Circuit & Chisel. Rather than routing a request to one model, it runs several models in parallel against the same request and returns a synthesized best answer, without switching models mid-conversation. It accepts text and image input and targets research, coding, and agentic workloads.

On Venice, Pareto is billed per token: $1 per 1M input tokens, $4 per 1M output tokens, and cached input at just $0.04 per 1M tokens. There is no subscription requirement — you pay for the tokens you use.

Pareto is neither free to self-host nor open source — it is a closed, proprietary model with no published weights, so it cannot be downloaded or fine-tuned. It is available per-token on Venice, where new accounts get free welcome credits to try it.

Both offer a 1M-token context at nearly identical Venice pricing. Pareto's edge is its blended architecture — several models run in parallel and the best answer is synthesized — plus cached input at $0.04/1M. Gemini 3.8 Flash is the single-model pick when raw speed on general chat matters most.

Yes. Pareto accepts images alongside text, so you can send screenshots, charts, or diagrams for visual analysis. It outputs text only — it does not generate images, audio, or video.

Yes. Pareto supports function calling for building agents and tool-driven pipelines, and it can use web search for up-to-date information. Third-party listings also report structured-output support, though the dedicated reasoning mode is not among its capabilities.

Venice runs Pareto under its anonymized privacy tier: prompts are not stored, profiled, or tied to a personal history. This is anonymized handling rather than end-to-end encryption or TEE isolation, but it means your research material and code don't accumulate into a profiled account.

No dedicated reasoning mode is listed for Pareto. Its quality comes from the blend — multiple models answering in parallel with the best response synthesized — rather than from extended chain-of-thought. If explicit reasoning traces are essential, pair it with a reasoning-focused model on Venice.

Use Pareto anonymously

One key, free to start, no credit card.

Start chat