# GPT-5.5

> A high-performance model excelling in complex reasoning, extensive context handling, and sophisticated output generation for research tasks.

Canonical HTML: https://llmpeers.com/models/openai--gpt-5~5

**Provider:** OpenAI
**Availability:** Premium Research
**Category:** frontier
**Context:** 1.1M input · 25k output
**Pricing:** $5.00/M input · $30.00/M output
**Vision:** Yes

A high-performance model excelling in complex reasoning, extensive context handling, and sophisticated output generation for research tasks.

## Strengths

- reasoning
- writing
- long-context
- structured-output
- critique

## Watch-outs

- speed

## Best roles on LLM Peers

- peer
- chair
- critic

## On LLM Peers

This model is available for Premium Research—choose it as a peer or chairman, charge model usage plus platform fee from your prepaid wallet.

Start research: https://llmpeers.com
Full catalog: https://llmpeers.com/models

## Related models

- [GPT-5.4](https://llmpeers.com/models/openai--gpt-5~4)

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Publisher: Version Labs · Product: LLM Peers