Grok 4.7 vs Claude Opus 5
Grok 4.7 is the better buy: the AIGROW small-business benchmark cannot tell the two apart, and Grok 4.7 has the lower list price. Grok 4.7 passed 18 of 20 tasks and costs $2 in and $6 out per million tokens; Claude Opus 5 passed 17 and costs $5 in and $25 out.
Run Grok 4.7 up to 75% below list price. $25 a month brings $110 of API credit and cancels any time; $25 once buys $100. For long documents, Claude Opus 5 reads up to 1M tokens at once and Grok 4.7 up to 500K. US dollars, standard rate, shortest context band. Cost per pass from the AIGROW small-business benchmark. Newer comparison: Grok 4.7 vs Claude Opus 5.5
- Grok 4.7
- $9.41
- Tasks passed
- 18 of 20
- Claude Opus 5
- $16.89
- Tasks passed
- 17 of 20
AIGROW small-business benchmark, failed runs included.
Grok 4.7 is pitched at coding and knowledge work, Opus's core use cases, for far less per token. Grok 4.7 costs $9.41 per 1,000 passing answers on the AIGROW small-business benchmark, Claude Opus 5 $16.89. 1,000 support replies cost $25.00 on Claude Opus 5 and $8.40 on Grok 4.7, so Claude Opus 5 costs 3 times as much.
What each one costs
The API price per million tokens and the cheapest app plan with each model, from the makers’ own pages. Each name opens that model’s full price page.
- Grok 4.7
- On the xAI API, Grok 4.7 costs $2 per million input tokens and $6 per million output tokens. Grok has a free plan and paid plans from $8/mo (Plus); the plan list does not name Grok 4.7. Plan prices read 22 October 2026. AIGROW API credit runs Grok 4.7 at $0.50 / $1.50 per million input / output tokens, 75% below list price. See API credit
- Claude Opus 5
- On the Anthropic API, Claude Opus 5 costs $5 per million input tokens and $25 per million output tokens.
$25 a month brings $110 of API credit and cancels any time; $25 once buys $100.
Side by side
Each maker’s published rate for its standard tier. Cached input is what a repeated prompt prefix costs once the provider has stored it.
| Fact | Grok 4.7 | Claude Opus 5 |
|---|---|---|
| Maker | xAI | Anthropic |
| Tier | Flagships | Flagships |
| Input, per M tokens | $2.00 | $5.00 |
| Output, per M tokens | $6.00 | $25.00 |
| Cached input | $0.50 | $0.50 |
| Context window | 500K | 1M |
| Released | Sep 2026 | 24 Jul 2026 |
| Weights | Closed weights | Closed weights |
What a job costs on each
1,000 runs of each job at the two list prices. The gap moves from job to job because the models price input, output and cached context differently.
| Job | Grok 4.7 | Claude Opus 5 | Cheaper |
|---|---|---|---|
| Support reply3,000 in, 400 out. | $8.40 | $25.00 | Grok 4.7, 66% less |
| Document summary25,000 in, 1,000 out. | $56.00 | $150 | Grok 4.7, 63% less |
| Agent task80,000 in (70,000 cached), 3,000 out. | $73.00 | $160 | Grok 4.7, 54% less |
The token counts are ours, chosen to look like real work; the prices are the makers’. A model with no published cache price bills the agent task’s repeated context at its full input rate.
The small print
What each base rate leaves out, from the makers’ own pages: surcharges, discounts, promotions and cache pricing.
- Grok 4.7
- Prompts of 200K tokens or more: $4 / $12, cached $1.00. Batch 20% off in us-east-1 and us-west-2. Release notes give the month only. xAI’s pricing page
- Claude Opus 5
- Legacy model, still available; Anthropic now points most work to Claude Opus 5.5 and lists no retirement before 24 July 2027. Cache write $6.25 (5 min) or $10 (1 h). Fast mode $10 / $50. Batch API 50% off. US-only inference bills 1.1x. Full context window billed at standard rates. Anthropic’s pricing page
Other comparisons
Every head to head on the list that involves Grok 4.7 or Claude Opus 5.
Run Grok 4.7 up to 75% below list price
AIGROW API credit covers Grok 4.7 at published rates never above the list prices here, and $25 buys $100 of credit.
Prices checked 12 November 2026