ModelInfo
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Pegasus 1.5

Generative video-to-text model; analyzes videos to generate summaries, detailed descriptions and structured responses.

Twelve Labspegasus1.52026-04-20Report incorrect data

Specs

Context
261.1K
Max output
98.3K
Input price
—
Output price
—
Released
2026-04-20

Context

Context window
261.1K
Max input
—
Max output
98.3K

Pricing

Not published

Modalities

Input
TextImageVideo
Output
Text

API

API types
generate

Reasoning

Not published

Info

Status
Active
Released
2026-04-20
Knowledge cutoff
—

Features

Confirmed
structured_output
Source · official docsVerified 2026-10-11

How to call

1 provider

twelvelabsmodel = pegasus1.5

generate
POSThttps://api.twelvelabs.io/v1.3/analyze

JSON

Standard format
pegasus1.5.json
{
  "id": "pegasus1.5",
  "object": "model",
  "created": 1776643200,
  "owned_by": "twelvelabs",
  "name": "Pegasus 1.5",
  "api": {
    "types": [
      "generate"
    ]
  },
  "limits": {
    "context": 261120,
    "input": null,
    "output": 98304
  },
  "modalities": {
    "input": [
      "text",
      "image",
      "video"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": null,
  "features": [
    "structured_output"
  ],
  "info": {
    "status": "active",
    "release_date": "2026-04-20",
    "knowledge_cutoff": null,
    "description": "Generative video-to-text model; analyzes videos to generate summaries, detailed descriptions and structured responses.",
    "docs": "https://docs.twelvelabs.io/v1.3/docs/concepts/models/pegasus/pegasus-1-5",
    "verified_at": "2026-10-11"
  }
}

Official sources

4