Diffbot vs Finnhub: full comparison for 2026
Quick verdict
Diffbot (3.7/5) edges ahead of Finnhub (3.7/5) overall. Diffbot is the better choice for developers collecting news from a fixed list of sites. Finnhub is the stronger option for personal fintech projects needing news and prices from one key. The right pick depends on your budget, how much history you need and whether you need full text.
Diffbot vs Finnhub: head-to-head summary
| Criterion | Diffbot | Finnhub |
|---|---|---|
| Founded | 2008 | 2018 |
| HQ | Menlo Park, California, USA | New York, USA |
| Team size | 11–50 | Not publicly disclosed |
| Rating | 3.7 / 5 | 3.7 / 5 |
| Primary differentiator | Parser-free extraction from any article URL, linked to a Knowledge Graph | A 60-calls-a-minute free key covering company news and market data |
| Pricing model | Monthly credit plans | Free key; paid market-data bundles |
| Entry price | $299/mo | Varies by data bundle |
| Formats & SDKs | REST API, JSON, Python SDK | REST API, JSON, WebSocket |
| Typical uses | AI & LLM apps, Research & academia, Marketing & PR, Financial services | Financial services, Research & academia |
Diffbot vs Finnhub: overview
Diffbot
Diffbot, founded by Mike Tung in 2008 and based in Menlo Park, California, has an estimated 30–40 staff. Point its Article API at any news URL and it returns title, author, date and clean text without a site-specific parser, and Crawlbot can follow a list of publishers you choose. Its Knowledge Graph links articles to companies, people and topics, so it can also be queried as a news source. The free plan includes 10,000 credits at five calls a minute, Startup costs $299 a month for 250,000 credits, and each exported Knowledge Graph entity costs 25 credits. It works best when you want to build your own news collection from chosen sites.
Finnhub
Finnhub is a New York fintech founded in 2018, according to CB Insights, with staff reported in New York, Mumbai, Sydney and Ho Chi Minh City. It sells stock, forex and crypto data over REST and WebSocket, and news is one endpoint among many. The free key is generous on rate (60 calls a minute) and returns a year of North American company news plus general market headlines, but it is for personal, non-commercial use, and low-latency news streaming is a premium feature. Official SDKs cover Python, Go, JavaScript and more. Commercial bundles are priced on the site, with All-in-One listed at $1,000 a month.
Features: Diffbot vs Finnhub
| Capability | Diffbot | Finnhub |
|---|---|---|
| Full article text | ✓ | ✗ |
| Historical archive | ✓ | ✗ |
| NLP enrichment | ✓ | ✗ |
| Story/event clustering | ✗ | ✗ |
| Official SDK | ✓ | ✓ |
| Streaming or webhooks | ✗ | ✓ |
| Free access | ✓ | ✓ |
Formats and SDKs: Diffbot vs Finnhub
| Format / SDK | Diffbot | Finnhub |
|---|---|---|
| REST API | ✓ | ✓ |
| Python SDK | ✓ | ✓ |
| Node.js SDK | N/A | ✓ |
| Webhooks | N/A | N/A |
| WebSocket | N/A | ✓ |
| MCP server | N/A | N/A |
| S3/bulk delivery | N/A | N/A |
| BigQuery | N/A | N/A |
Pricing comparison: Diffbot vs Finnhub
| Criterion | Diffbot | Finnhub |
|---|---|---|
| Entry price | $299/mo | Varies by data bundle |
| Pricing model | Monthly credit plans | Free key; paid market-data bundles |
| Access models | Free tier, Monthly plans, Enterprise contract | Free tier, Monthly plans |
| Price transparency | Public price | Quote only |
| Price tier | Mid-market | Enterprise / quote |
Who each API suits: Diffbot vs Finnhub
| Dimension | Diffbot | Finnhub |
|---|---|---|
| Buyer type | Individuals to enterprise | Individuals to enterprise |
| Typical uses | AI & LLM apps, Research & academia, Marketing & PR | Financial services, Research & academia |
| Example use cases | Monitoring niche trade publications. Clean article text for an LLM from known URLs. | Company news in a personal stock screener. University fintech assignments. |
| How you get access | Free tier | Free tier |
Diffbot vs Finnhub: pros and cons
| Diffbot | |
|---|---|
| + | No custom scrapers to maintain when a site changes layout |
| + | 10,000 free credits with no card |
| + | Knowledge Graph links coverage to companies and people |
| + | Crawlbot handles crawling the publishers you pick |
| - | Five calls a minute on the free plan |
| - | Knowledge Graph exports cost 25 credits each |
| - | You assemble the feed yourself |
| Finnhub | |
|---|---|
| + | The free rate limit is high for a no-cost key |
| + | News, quotes and fundamentals share one key |
| + | Official SDKs in many languages |
| + | WebSocket for streaming quotes |
| - | Headlines and summaries only |
| - | Free key is non-commercial |
| - | Low-latency news costs extra |
Who should choose Diffbot?
A typical fit: monitoring niche trade publications.
Parser-free extraction from any article URL, linked to a Knowledge Graph. Paid access starts at $299/mo. Typical uses: AI & LLM apps, Research & academia, Marketing & PR, Financial services.
Who should choose Finnhub?
A typical fit: company news in a personal stock screener.
A 60-calls-a-minute free key covering company news and market data. Paid access is quote-based. Typical uses: Financial services, Research & academia.
Decision matrix: Diffbot vs Finnhub
| Your situation | Recommended choice |
|---|---|
| You want to start free before paying | Both |
| Your budget is at the lower end | Diffbot |
| You need full article text in the response | Diffbot |
| You need years of historical news | Diffbot |
| You want an official SDK | Both |
| You are wiring news into an LLM agent | Both work through plain REST calls |
Use case fit: Diffbot vs Finnhub
| Use case | Diffbot fit | Finnhub fit | Winner |
|---|---|---|---|
| AI & LLM apps | Strong | Limited | Diffbot |
| Research & academia | Strong | Strong | Both equally |
| Marketing & PR | Strong | Limited | Diffbot |
| Financial services | Strong | Strong | Both equally |
Verdict: Diffbot vs Finnhub
Diffbot (3.7/5) is the stronger overall choice as a news data source. Parser-free extraction from any article URL, linked to a Knowledge Graph.
Finnhub (3.7/5) is worth a look if you need university fintech assignments. If your situation matches that, Finnhub is a competitive option.
Related comparisons
Diffbot vs Finnhub FAQ
Is Diffbot better than Finnhub?
Diffbot (3.7/5) scores higher overall, but "better" depends on your use case. Diffbot's strongest advantage: no custom scrapers to maintain when a site changes layout. Finnhub's strongest advantage: the free rate limit is high for a no-cost key.
How do Diffbot and Finnhub differ in pricing?
Diffbot: monthly credit plans, with paid access from $299/mo. Finnhub: free key; paid market-data bundles, priced by quote. Both offer some free access for testing.
Which is better for enterprise: Diffbot or Finnhub?
Diffbot sells enterprise contracts with negotiated volume and SLA terms. Neither carries licensed publisher content, so check copyright terms before republishing anything.
What are the main differences between Diffbot and Finnhub?
What sets Diffbot apart: parser-free extraction from any article URL, linked to a Knowledge Graph. What sets Finnhub apart: a 60-calls-a-minute free key covering company news and market data. They also differ on entry price ($299/mo vs Varies by data bundle) and typical uses (AI & LLM apps, Research & academia vs Financial services, Research & academia).
Verify all details directly with each API before making a decision.