Head-to-head · Anthropic vs xAI
Claude Sonnet 5 vs Grok 4.7
Quick answer: Claude Sonnet 5 stands out for lower price than Sonnet 4.6 with newer capabilities. Grok 4.7 stands out for large context window at a moderate price. Reviewed September 2026.
Overview
Claude Sonnet 5: Claude Sonnet 5 is the mid-tier model in the Claude 5 family and the default choice for most professional work. Anthropic made its launch pricing of $2 and $10 per million tokens permanent, which makes it one of the best price-to-quality options in the lineup.
Grok 4.7: Grok 4.7 is xAI's latest flagship model for coding, agentic tasks and knowledge work. It has a 500,000-token context window, accepts text and image input, and supports adjustable reasoning levels.
At a glance
| Dimension | Claude Sonnet 5 | Grok 4.7 |
|---|---|---|
| Vendor | Anthropic | xAI |
| Starting price | API: $2 in / $10 out per M tokens | API: $2 to $4 in / $6 to $12 out per M tokens |
| Pricing model | Paid | Paid |
| Free tier | No | No |
| Category | Generative AI | Generative AI |
Strengths and limits
Claude Sonnet 5
- Lower price than Sonnet 4.6 with newer capabilities
- Fast enough for interactive use
- Handles most tasks that do not need Opus-level depth
Watch out for
- Below Opus on the hardest reasoning tasks
- Sonnet 5.5 is announced as coming soon
- Image generation is not built in
Grok 4.7
- Large context window at a moderate price
- Strong on coding and agent tasks
- Real-time knowledge through the xAI ecosystem
Watch out for
- Smaller enterprise ecosystem than OpenAI, Anthropic or Google
- Price steps up for prompts over 200,000 tokens
- Fewer professional integrations
Key features
Claude Sonnet 5
- Balanced speed and quality for everyday work
- Strong on drafting, analysis and code review
- Computer use and tool use
- Batch pricing at half the standard rate
- Available through Claude apps, the API and major clouds
Grok 4.7
- 500,000-token context window
- Text and image input
- Flexible reasoning levels
- Available through the xAI API
Pricing compared
Claude Sonnet 5 is priced by usage rather than by seat: API: $2 in / $10 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.
Grok 4.7 is priced by usage rather than by seat: API: $2 to $4 in / $6 to $12 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.
Frequently asked questions
Which is better, Claude Sonnet 5 or Grok 4.7?
It depends on the work. Claude Sonnet 5 stands out for lower price than Sonnet 4.6 with newer capabilities. Grok 4.7 stands out for large context window at a moderate price.
How do Claude Sonnet 5 and Grok 4.7 compare on price?
Claude Sonnet 5 is priced by usage rather than by seat: API: $2 in / $10 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing. Grok 4.7 is priced by usage rather than by seat: API: $2 to $4 in / $6 to $12 out per M tokens. That means cost scales with how much text you send and receive, so estimate your monthly volume before committing.
Is there a free option between Claude Sonnet 5 and Grok 4.7?
Neither lists a permanent free tier. Look for trials or usage-based pricing to test on real work first.