Claude Agent SDK VS Strands Agents
As of 30 October 2026, Strands Agents is named by 111 companies and Claude Agent SDK by 122; Claude Agent SDK skews to companies under 200 people (34% vs 19%), Strands Agents to companies over 1,000 (48% vs 43%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Claude Agent SDK's script and mail records show on hundreds of thousands of small sites, Strands Agents rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Claude Agent SDK: 2–200 employees
- 34%
- Strands Agents: 2–200 employees
- 19%
- Claude Agent SDK: 1,000+ employees
- 43%
- Strands Agents: 1,000+ employees
- 48%
- Postings per company, 90 days
- 2.1 · 2.5
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Claude Agent SDK | share | Strands Agents | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 2% | 2 | 2% | even |
| 2-10 employees | 12 | 10% | 2 | 2% | Claude Agent SDK |
| 11-50 employees | 14 | 11% | 8 | 7% | Claude Agent SDK |
| 51-200 employees | 16 | 13% | 11 | 10% | Claude Agent SDK |
| 201-500 employees | 15 | 12% | 20 | 18% | Strands Agents |
| 501-1000 employees | 10 | 8% | 15 | 14% | Strands Agents |
| 1001-5000 employees | 27 | 22% | 23 | 21% | even |
| 5001-10000 employees | 5 | 4% | 12 | 11% | Strands Agents |
| 10,001+ employees | 21 | 17% | 18 | 16% | even |
| Segment | Claude Agent SDK | share | Strands Agents | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 68 | 56% | 58 | 52% | Claude Agent SDK |
| Business & finance services | 28 | 23% | 22 | 20% | Claude Agent SDK |
| Manufacturing & industry | 8 | 7% | 11 | 10% | Strands Agents |
| Consumer services & leisure | 4 | 3% | 1 | 1% | Claude Agent SDK |
| Media & content | 4 | 3% | 6 | 5% | Strands Agents |
| Health care | 3 | 2% | – | – | outside top 12 |
| Property & construction | 3 | 2% | 2 | 2% | even |
| Commerce & trade | 2 | 2% | 2 | 2% | even |
| Hospitality & travel | 1 | 1% | – | – | outside top 12 |
| Utilities & infrastructure | 1 | 1% | 2 | 2% | even |
| Public, community & associations | – | – | 4 | 4% | outside top 12 |
| Automotive | – | – | 2 | 2% | outside top 12 |
| Transport, logistics & rental | – | – | 1 | 1% | outside top 12 |
| Segment | Claude Agent SDK | share | Strands Agents | share | Leans |
|---|---|---|---|---|---|
| United States | 83 | 68% | 78 | 70% | Strands Agents |
| United Kingdom | 9 | 7% | 8 | 7% | even |
| France | 4 | 3% | 1 | 1% | Claude Agent SDK |
| Australia | 3 | 2% | 2 | 2% | even |
| Japan | 3 | 2% | – | – | outside top 12 |
| Canada | 2 | 2% | 4 | 4% | even |
| Germany | 2 | 2% | 6 | 5% | Strands Agents |
| Poland | 2 | 2% | – | – | outside top 12 |
| Argentina | 1 | 1% | – | – | outside top 12 |
| Austria | 1 | 1% | – | – | outside top 12 |
| Belgium | 1 | 1% | 1 | 1% | even |
| Brazil | 1 | 1% | 2 | 2% | even |
| Denmark | – | – | 2 | 2% | outside top 12 |
| Finland | – | – | 2 | 2% | outside top 12 |
| Switzerland | – | – | 1 | 1% | outside top 12 |
| China | – | – | 1 | 1% | outside top 12 |
| Segment | Claude Agent SDK | share | Strands Agents | share | Leans |
|---|---|---|---|---|---|
| Data & AI | 183 | 60% | 195 | 56% | Claude Agent SDK |
| Software engineering | 70 | 23% | 54 | 16% | Claude Agent SDK |
| IT operations & business systems | 7 | 2% | 28 | 8% | Strands Agents |
| Product, program & project management | 7 | 2% | 5 | 1% | even |
| Sales | 6 | 2% | 3 | 1% | even |
| Education & training | 3 | 1% | – | – | outside top 12 |
| General management & consulting | 2 | 1% | 2 | 1% | even |
| Human resources | 2 | 1% | – | – | outside top 12 |
| Administration & office | – | – | 2 | 1% | outside top 12 |
| Business development & strategy | – | – | 2 | 1% | outside top 12 |
| Engineering (non-software) | – | – | 2 | 1% | outside top 12 |
| Customer service & success | – | – | 1 | 0% | outside top 12 |
| Design & UX | – | – | 1 | 0% | outside top 12 |
| Finance & accounting | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Claude Agent SDK →
Companies using Strands Agents →
llm app frameworks ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Strands Agents is named by 111 companies in job postings and Claude Agent SDK by 122; 8 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/claude-agent-sdk-vs-strands-agents)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Claude Agent SDK vs Strands Agents: questions
Which is more used, Claude Agent SDK or Strands Agents?
By companies naming it in their own job postings, Claude Agent SDK (122) over Strands Agents (111). By website-and-DNS footprint, Strands Agents (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Claude Agent SDK?
34% of Claude Agent SDK companies have 2 to 200 employees, against 19% for Strands Agents. 43% of Claude Agent SDK companies have over 1,000 employees, against 48% for Strands Agents.
Do companies run both?
8 companies name both in their postings, usually Claude Agent SDK in marketing and Strands Agents in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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