Claude vs Grok
The short answer. The cheapest Claude model we track, Claude Haiku 5.5, costs $0.500 per million output tokens and $0.100 per million input tokens. The cheapest Grok model, grok-build-0.1, costs $2.00 per million output tokens and $1.00 per million input tokens. At the entry level, Claude is 4.0 times cheaper than Grok on output tokens. Prices read on 2 November 2026 and 30 October 2026.
This page compares what Anthropic and xAI charge through their APIs. Every price below carries the day we read it and links to the page it came from. We do not rank quality: we tell you what each model costs, and since when.
At the top of each range
- Among Claude models that carry a relayed score, the highest on the Artificial Analysis intelligence index is Claude Opus 5.5, at 58.4, sold by OpenRouter at $20.00 per million output tokens.
- Among Grok models that carry a relayed score, the highest on the Artificial Analysis intelligence index is Grok 4.6, at 44.3, sold by OpenRouter at $6.00 per million output tokens.
The index is produced by Artificial Analysis and relayed through OpenRouter's catalogue. It is not our measurement; we record it as a level 4 source and show it next to the price we read. A model without a score here has not been scored yet, which is not the same as scoring low.
Every model, side by side
Claude models
20 standard offers, from the prices Anthropic publishes itself.
| Model | Input | Output | Context | Read on | Source |
|---|---|---|---|---|---|
| Claude Haiku 5.5 | $0.100 | $0.500 | 1 000 000 | 30 October 2026 | Anthropic |
| Claude Haiku 3.5 | $0.800 | $4.00 | 30 October 2026 | Anthropic | |
| Claude Haiku 4.5 | $1.00 | $5.00 | 200 000 | 30 October 2026 | Anthropic |
| Claude Sonnet 5 | $2.00 | $10.00 | 1 000 000 | 30 October 2026 | Anthropic |
| Claude Sonnet 5.5 | $2.00 | $10.00 | 1 000 000 | 30 October 2026 | Anthropic |
| Claude Sonnet 4 | $3.00 | $15.00 | 30 October 2026 | Anthropic | |
| Claude Sonnet 4.5 | $3.00 | $15.00 | 30 October 2026 | Anthropic | |
| Claude Sonnet 4.6 | $3.00 | $15.00 | 30 October 2026 | Anthropic | |
| Claude Opus 5.5 | $4.00 | $20.00 | 1 000 000 | 31 October 2026 | Anthropic |
| Claude Opus 4.5 | $5.00 | $25.00 | 30 October 2026 | Anthropic | |
| Claude Opus 4.6 | $5.00 | $25.00 | 30 October 2026 | Anthropic | |
| Claude Opus 4.7 | $5.00 | $25.00 | 30 October 2026 | Anthropic | |
| Claude Opus 4.8 | $5.00 | $25.00 | 30 October 2026 | Anthropic | |
| Claude Opus 5 | $5.00 | $25.00 | 1 000 000 | 30 October 2026 | Anthropic |
| Claude Fable 5 | $10.00 | $50.00 | 1 000 000 | 30 October 2026 | Anthropic |
| Claude Fable 5.1 | $10.00 | $50.00 | 1 000 000 | 3 November 2026 | Anthropic |
| Claude Mythos 5 | $10.00 | $50.00 | 30 October 2026 | Anthropic | |
| Claude Mythos 5.1 | $10.00 | $50.00 | 30 October 2026 | Anthropic | |
| Claude Opus 4 | $15.00 | $75.00 | 30 October 2026 | Anthropic | |
| Claude Opus 4.1 | $15.00 | $75.00 | 30 October 2026 | Anthropic |
Grok models
8 standard offers, from the prices xAI publishes itself.
| Model | Input | Output | Context | Read on | Source |
|---|---|---|---|---|---|
| grok-build-0.1 | $1.00 | $2.00 | 256 000 | 2 November 2026 | xAI |
| grok-4.20-0309-non-reasoning | $1.25 | $2.50 | 1 000 000 | 2 November 2026 | xAI |
| grok-4.20-0309-reasoning | $1.25 | $2.50 | 1 000 000 | 2 November 2026 | xAI |
| grok-4.20-multi-agent-0309 | $1.25 | $2.50 | 1 000 000 | 2 November 2026 | xAI |
| grok-4.3 | $1.25 | $2.50 | 1 000 000 | 2 November 2026 | xAI |
| grok-4.5 | $2.00 | $6.00 | 500 000 | 2 November 2026 | xAI |
| grok-4.6 | $2.00 | $6.00 | 500 000 | 2 November 2026 | xAI |
| grok-4.7 | $2.00 | $6.00 | 500 000 | 30 October 2026 | xAI |
How these prices have moved
We hold dated captures of these models' prices back to 26 March 2024. We did not observe these values ourselves: they were recovered from public captures of OpenRouter's catalogue, and each links to its capture so you can check it without trusting us. Largest moves on output price:
| Model | Before | After | Change | Captured |
|---|---|---|---|---|
| SpaceXAI: Grok 4.20 | $6.00 | $2.50 | -58% | 4 May 2026 |
| SpaceXAI: Grok 4.20 Multi-Agent | $6.00 | $2.50 | -58% | 16 June 2026 |
Questions
Which is cheaper, Claude or Grok?
The cheapest Claude model we track, Claude Haiku 5.5, costs $0.500 per million output tokens and $0.100 per million input tokens. The cheapest Grok model, grok-build-0.1, costs $2.00 per million output tokens and $1.00 per million input tokens. At the entry level, Claude is 4.0 times cheaper than Grok on output tokens. Prices read on 2 November 2026 and 30 October 2026.
What is the cheapest Claude model?
Claude Haiku 5.5, at $0.500 per million output tokens, read on 30 October 2026.
What is the cheapest Grok model?
grok-build-0.1, at $2.00 per million output tokens, read on 2 November 2026.
Where do these prices come from?
From the price lists Anthropic and xAI publish, read by our collectors. No figure on this page was produced by a language model.