Claude Opus 5.5 vs Grok 4.7
Claude Opus 5.5 needs the Ultra plan ($40/mo), Grok 4.7 the Pro plan ($15/mo). API $4.00/$20.00 vs $2.00/$6.00 per 1M in/out. Run both in one chat.
Claude Opus 5.5 and Grok 4.7 at a glance
Claude Opus 5.5 is an Anthropic model available in Quad Chat, with up to 1M tokens of context, image input, tool calling and adjustable reasoning. Grok 4.7 is an xAI model available in Quad Chat, with up to 500K 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.
Claude Opus 5.5 vs Grok 4.7
Top variant of each family, side by side. Lab: Claude Opus 5.5 Anthropic, Grok 4.7 xAI. Plan needed: Claude Opus 5.5 Ultra ($40/month), Grok 4.7 Pro ($15/month). Context window: Claude Opus 5.5 1M tokens, Grok 4.7 500K tokens. Max output: Claude Opus 5.5 128K tokens, Grok 4.7 500K tokens. API input price: Claude Opus 5.5 $4.00 per 1M, Grok 4.7 $2.00 per 1M. API output price: Claude Opus 5.5 $20.00 per 1M, Grok 4.7 $6.00 per 1M. Image input: Claude Opus 5.5 Yes, Grok 4.7 Yes. Tool calling: Claude Opus 5.5 Yes, Grok 4.7 Yes. Reasoning: Claude Opus 5.5 Yes, adjustable (low, medium, high, xhigh, max), Grok 4.7 Yes, adjustable (low, medium, high, xhigh). Privacy lane: Claude Opus 5.5 Private Lane (Zero Data Retention), Grok 4.7 Private Lane (Zero Data Retention).
Choose Claude Opus 5.5 or Grok 4.7
Each point below comes from a real difference in the catalog data. Choose Claude Opus 5.5 if: You work with long documents or histories: its context window is 1M tokens against 500K. Choose Grok 4.7 if: You want the lower API list price at the top tier: Grok 4.7 lists at $2.00 in / $6.00 out against $4.00 in / $20.00 out for Claude Opus 5.5, about 3.3× less per output token. You want to start on a lower plan: Grok 4.7 has a variant on the Pro ($15/month) plan, while Claude Opus 5.5 starts at Ultra ($40/month). You want top-tier access for less: Grok 4.7 needs Pro ($15/month), while Claude Opus 5.5 needs Ultra ($40/month). You need very long replies in one go: it can write up to 500K tokens, against 128K. You do not have to choose: Quad Chat lets you switch between Claude Opus 5.5 and Grok 4.7 in the same conversation, or ask both at once and compare the answers.
Every Claude Opus 5.5 and Grok 4.7 variant
All selectable variants of both families. Click a header to sort. Claude Opus 5.5: Claude Opus 5.5 (Ultra). Grok 4.7: Grok 4.7 (Pro).
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Frequently asked questions
Is Claude Opus 5.5 or Grok 4.7 cheaper?
At provider list prices, Grok 4.7 is cheaper at the top tier ($2.00 in / $6.00 out against $4.00 in / $20.00 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, Claude Opus 5.5 or Grok 4.7?
Claude Opus 5.5 reaches 1M tokens, against 500K for Grok 4.7, 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 Claude Opus 5.5 and Grok 4.7?
Claude Opus 5.5 needs the Ultra ($40/month) plan. Grok 4.7 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 Claude Opus 5.5 and Grok 4.7 support images, tools and reasoning?
Claude Opus 5.5: image input yes, tool calling yes, reasoning yes. Grok 4.7: image input yes, tool calling yes, reasoning yes. Other variants in each family can differ, as the variant table shows.
Can I use Claude Opus 5.5 and Grok 4.7 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 Claude Opus 5.5 or Grok 4.7 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.