- Anthropic has the cheaper entry model: Claude Haiku 5.5 at a blended $0.20 per million tokens.
- At the top end, Claude Fable 5.1 costs $50.00 per million output tokens versus $6.00 for grok-4.7.
Anthropic vs xAI at a glance
| Anthropic | xAI | |
|---|---|---|
| Cheapest model | Claude Haiku 5.5 · $0.10 in / $0.50 out | grok-build-0.1 · $1.00 in / $2.00 out |
| Top-tier model | Claude Fable 5.1 · $10.00 in / $50.00 out | grok-4.7 · $2.00 in / $6.00 out |
| Models tracked | 4 | 7 |
| Prompt-caching discount | Yes | Yes |
| Category | LLM API | LLM API |
| Plans tracked | 4 | 7 |
Green marks the lower price.
Prices last checked November 8, 2026 · re-checked twice a week from official pricing pages and APIs · How we collect prices
Every plan, side by side
Anthropic
| Model | Price |
|---|---|
| Fable 5.1 | $10.00 in / $50.00 out |
| Opus 5.5 | $4.00 in / $20.00 out |
| Sonnet 5.5 | $2.00 in / $10.00 out |
| Haiku 5.5 | $0.10 in / $0.50 out |
xAI
| Model | Price |
|---|---|
| grok-4.7 | $2.00 in / $6.00 out |
| grok-4.6 | $2.00 in / $6.00 out |
| grok-4.5 | $2.00 in / $6.00 out |
| grok-4.3 | $1.25 in / $2.50 out |
| grok-4.20-0309-reasoning | $1.25 in / $2.50 out |
| grok-4.20-0309-non-reasoning | $1.25 in / $2.50 out |
| grok-build-0.1 | $1.00 in / $2.00 out |
Related comparisons
Frequently asked questions
Is Anthropic or xAI cheaper?
Anthropic has the cheaper entry model: Claude Haiku 5.5 at a blended $0.20 per million tokens.
How current is this Anthropic vs xAI comparison?
Both providers' prices come from CloudMart's live catalog, last checked November 8, 2026. The page is rebuilt from current data on every visit.
Not sure which option fits your workload?
Describe your project and the Planner picks the provider, sizes it, and estimates the monthly bill.