Pareto
Summary
Pareto is a proprietary language model from Unbiased, released on 17 Sept 2026. It accepts text and images and generates text, with a 262K-token context window and up to 131K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $2.50 per million input tokens and $7.50 per million output tokens (OpenRouter), across 1 provider we track.
Blended multimodal model that runs multiple language models in parallel and returns a synthesized answer
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Unbiased |
|---|---|
| Release date | 17 Sept 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 262K (262,144 tokens) [models.dev] |
| Max output | 131K tokens [models.dev] |
| Input | Text and images [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | No [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | No [models.dev] |
Pareto API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter unbiased/pareto | $2.50 | $7.50 | $0.25 | 262K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of Pareto?
Pareto has a context window of 262,144 tokens (262K) and can generate up to 131,072 tokens in a single response, according to models.dev.
How much does the Pareto API cost?
Pareto is listed from $2.50 per million input tokens and $7.50 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
Is Pareto open source?
No. Pareto is a proprietary model; Unbiased has not released its weights. It is available through APIs including OpenRouter.
When was Pareto released?
Unbiased released Pareto on 17 Sept 2026, according to models.dev.
Change history
No changes detected since we started tracking this model. We re-check every source daily.