GPT-6.1 Sol vs Claude Sonnet 5.5

GPT-6.1 Sol and Claude Sonnet 5.5 at a glance

GPT-6.1 Sol is an OpenAI model available in Quad Chat, with up to 1.05M tokens of context, image input, tool calling and adjustable reasoning. Claude Sonnet 5.5 is an Anthropic model available in Quad Chat, with up to 1M tokens of context, image input, tool calling and adjustable reasoning. This page compares specifications and plan availability from the Quad Chat model catalog. It does not publish benchmark scores, because quality depends on your task; the quickest fair test is to send the same prompt to both models in one Quad Chat conversation. Each family has a single variant, so the head-to-head compares them directly.

GPT-6.1 Sol vs Claude Sonnet 5.5

Top variant of each family, side by side. Lab: GPT-6.1 Sol OpenAI, Claude Sonnet 5.5 Anthropic. Plan needed: GPT-6.1 Sol Pro ($15/month), Claude Sonnet 5.5 Pro ($15/month). Context window: GPT-6.1 Sol 1.05M tokens, Claude Sonnet 5.5 1M tokens. Max output: GPT-6.1 Sol 128K tokens, Claude Sonnet 5.5 128K tokens. API input price: GPT-6.1 Sol $2.00 per 1M, Claude Sonnet 5.5 $2.00 per 1M. API output price: GPT-6.1 Sol $10.00 per 1M, Claude Sonnet 5.5 $10.00 per 1M. Image input: GPT-6.1 Sol Yes, Claude Sonnet 5.5 Yes. Tool calling: GPT-6.1 Sol Yes, Claude Sonnet 5.5 Yes. Reasoning: GPT-6.1 Sol Yes, adjustable (low, medium, high, xhigh, max), Claude Sonnet 5.5 Yes, adjustable (low, medium, high, xhigh, max). Privacy lane: GPT-6.1 Sol Private Lane (Zero Data Retention), Claude Sonnet 5.5 Private Lane (Zero Data Retention).

Choose GPT-6.1 Sol or Claude Sonnet 5.5

Each point below comes from a real difference in the catalog data. Choose GPT-6.1 Sol if: The catalog shows no spec advantage for GPT-6.1 Sol in this pairing, so choose it after running your own prompts on both. Choose Claude Sonnet 5.5 if: The catalog shows no spec advantage for Claude Sonnet 5.5 in this pairing, so choose it after running your own prompts on both. The variants compared above list at the same output price ($10.00 per million tokens). Both families start on the Pro ($15/month) plan. Their context windows are within 10% of each other (1.05M and 1M tokens). Their longest replies are within 10% of each other (128K and 128K tokens). You do not have to choose: Quad Chat lets you switch between GPT-6.1 Sol and Claude Sonnet 5.5 in the same conversation, or ask both at once and compare the answers.

Every GPT-6.1 Sol and Claude Sonnet 5.5 variant

All selectable variants of both families. Click a header to sort. GPT-6.1 Sol: GPT-6.1 Sol (Pro). Claude Sonnet 5.5: Claude Sonnet 5.5 (Pro).

Frequently asked questions

Is GPT-6.1 Sol or Claude Sonnet 5.5 cheaper?

Their top variants have the same API list price: $2.00 in / $10.00 out per million tokens. API prices are the model provider's list prices per million tokens, shown for comparison only. Quad Chat plans have a flat monthly price and draw usage from shared credits, so you are not billed per token.

Which has the larger context window, GPT-6.1 Sol or Claude Sonnet 5.5?

GPT-6.1 Sol reaches 1.05M tokens, against 1M for Claude Sonnet 5.5, according to the model catalog Quad Chat routes through. Files, pasted text and earlier messages all count toward the window.

Which Quad Chat plan do I need for GPT-6.1 Sol and Claude Sonnet 5.5?

GPT-6.1 Sol needs the Pro ($15/month) plan. Claude Sonnet 5.5 needs the Pro ($15/month) plan. Plans are cumulative, and every plan shares one monthly credit balance (100 on Free up to 25,000 on Max).

Do GPT-6.1 Sol and Claude Sonnet 5.5 support images, tools and reasoning?

GPT-6.1 Sol: image input yes, tool calling yes, reasoning yes. Claude Sonnet 5.5: image input yes, tool calling yes, reasoning yes. Other variants in each family can differ, as the variant table shows.

Can I use GPT-6.1 Sol and Claude Sonnet 5.5 in the same chat?

Yes. In Quad Chat you can switch between models mid-conversation without losing your files or context, or send one prompt to both and compare the answers side by side, which is the most reliable way to decide between them for your own work. Side-by-side comparison is included on every plan.

Is GPT-6.1 Sol or Claude Sonnet 5.5 more private in Quad Chat?

Both top variants run on the Private Lane, routed to providers under Zero Data Retention terms. Quad Chat does not train models on your conversations either way.