OpenAI: GPT-5.6 Sol Pro vs Anthropic: Claude Opus 4.8

Side-by-side pricing, context window, and capabilities — try both on ChatLima.

OpenAI: GPT-5.6 Sol Pro

Premium

Description

GPT-5.6 Sol Pro is the same underlying model as [GPT-5.6 Sol](https://openrouter.ai/openai/gpt-5.6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Strengths

•Multimodal understanding with text and image support
•Large context window (1050k tokens)

Best For

Image and document understanding

Anthropic: Claude Opus 4.8

Premium

Description

Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...

Strengths

•Multimodal understanding with text and image support
•Large context window (1000k tokens)

Best For

Image and document understanding

Feature	OpenAI: GPT-5.6 Sol Pro	Anthropic: Claude Opus 4.8
Provider	OpenRouter	OpenRouter
Context Length	`1,050,000 tokens`	`1,000,000 tokens`
Input Price	`$5.00/M`	`$5.00/M`
Output Price	`$30.00/M`	`$25.00/M`
Vision Support	Yes	Yes
Higher cost	Yes	Yes
Capabilities	TextVision	TextVision