Product
Claude Opus 5.5: ficha técnica, precios de API y datos
Updated
AnthropicAI Models & LLMs
- Context window
- 1M tokens
- Maximum output
- 128k tokens
- Input cost per 1M tokens
- $4.00
- Output cost per 1M tokens
- $20.00
- Knowledge cutoff
- June 2026
Data sheet · Claude Opus 5.5
Every figure is quoted from the vendor's official page, with the date we read it. If a row is missing, the source does not state it and we do not estimate it.
Memory and answer length
- Context window
- 1M tokensRank 8 of 21
What it means and the source
How much text the model keeps in view in a single request, question and answer included. It matters for long documents and whole code projects. A token is a fragment of a word.
platform.claude.comOpens the source in a new tab Oct 23, 2026- Maximum output
- 128k tokensRank 3 of 16
What it means and the source
The longest answer it can write in one go: useful for reports, long code or translations of whole documents.
platform.claude.comOpens the source in a new tab Oct 23, 2026
API prices
- Input cost per 1M tokens
- $4.00Rank 16 of 21
What it means and the source
What it costs to have the model read a million tokens (your question, the documents, the code). It is the official list price, before discounts.
platform.claude.comOpens the source in a new tab Oct 23, 2026- Cached input cost per 1M tokens
- $0.20Rank 12 of 20
What it means and the source
The reduced price when part of the request is identical to one sent recently, for example the same instructions or the same document: the vendor keeps it in memory and charges less for it.
platform.claude.comOpens the source in a new tab Oct 23, 2026- Output cost per 1M tokens
- $20.00Rank 16 of 21
What it means and the source
What a million tokens written by the model cost. It usually costs more than the input and is the figure to watch when answers are long.
platform.claude.comOpens the source in a new tab Oct 23, 2026
Knowledge and abilities
- Knowledge cutoff
- June 2026Rank 1 of 9
What it means and the source
The month up to which the model's knowledge reaches. For more recent facts it needs web search or your documents.
platform.claude.comOpens the source in a new tab Oct 23, 2026- Reads images
- Yes13 models out of 23
What it means and the source
The model can take images (photos, screenshots, charts) as well as text.
platform.claude.comOpens the source in a new tab Oct 23, 2026- Calls tools and functions
- Yes12 models out of 23
What it means and the source
The model can call functions and tools (search, calculations, other applications) to take actions and not only write text: it matters for assistants and agents.
platform.claude.comOpens the source in a new tab Oct 23, 2026
Where it stands · Claude Opus 5.5
The same verified figures, next to those of the other catalogue models. Tap a model for the head-to-head.
Questions and answers
Claude Opus 5.5: how much does it cost through the API?
The official list price is $4.00 per 1M input tokens and $20.00 per 1M output tokens.
Claude Opus 5.5: how much text can it read at once?
The context window is 1M tokens. It can write answers of up to 128k tokens.
Claude Opus 5.5: how recent is its knowledge?
Its knowledge reaches June 2026. For more recent facts it needs web search or your documents.
En resumen
En Anthropic Claude Opus 5.5 el dato que de verdad importa es Ventana de contexto: 1M tokens. Lo he tomado de Anthropic – Models overview. Entre los 21 que he comprobado, 7 lo hacen mejor. El otro dato que mirar es Coste por millón de tokens de salida: 20.
Los números de Anthropic Claude Opus 5.5
Los he puesto en orden de importancia, con el valor y la posición frente a los otros que comprobé.
Ventana de contexto: 1M tokens. Posición 8 de los 21 que he comparado.
Coste por millón de tokens de salida: 20. Posición 16 de los 21 que he comparado.
Coste por millón de tokens de entrada: 4. Posición 16 de los 21 que he comparado.
Conocimientos actualizados hasta: Jun 2026. Es el mejor valor entre los 9 que he comparado.
Coste de entrada en caché por 1M de tokens (USD): 0.2. Posición 8 de los 20 que he comparado.
Lee imágenes: 1. Es el mejor valor entre los 13 que he comparado.
Para quién es
Elígelo si Conocimientos actualizados hasta es tu prioridad: Jun 2026, y ninguno de los que comprobé lo hace mejor.
Te conviene si buscas Lee imágenes: 1.
Mira en otra parte si lo que te importa es Ventana de contexto: aquí es 1M tokens, y 7 productos lo hacen mejor.
Más información
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Reviews and tests
Anthropic Claude Opus 5.5
Reviews and tests · Anthropic Claude Opus 5.5
Reviews are not available yet.
What changed
- Page updated
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