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AI · head to head

Anthropic API vs Etherscan

Anthropic API logo

Anthropic API

AI

Claude API for developers

From
On request
Rated
-
Full reviewWebsite
Etherscan logo

Etherscan

Crypto

The Ethereum blockchain explorer

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Etherscan has a free tier, so it costs nothing to try first.
  • Each has a real cost: Anthropic API pricing varies significantly by model tier; Etherscan the free API plan is capped at 3 calls per second and 100,000 calls per day
  • They diverge on capability: Anthropic API covers Multiple models, Etherscan covers Block Explorer.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Anthropic API and Etherscan actually diverge.

Attributes where Anthropic API and Etherscan differ
AttributeAnthropic APIEtherscan
Starting priceOn requestFree
Pricing modelusage-basedfreemium
Free tierNoYes
PlatformsApiWeb, Api
CategoryAICrypto
Founded20212015

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Anthropic API

  • Multiple models
  • 200K context
  • Vision capabilities
  • Function calling
  • REST API
  • SDKs
  • Amazon Bedrock
  • Google Vertex

Only in Etherscan

  • Block Explorer
  • Transaction Tracking
  • Token Tracker
  • Contract Verification
  • Gas Tracker
  • Ethereum mainnet
  • Testnets
  • Web support

Both cover

  • Api support

What people use each for

The jobs each tool is most often brought in to do.

Anthropic API

  • AI agent developmentnot Etherscan
  • LLM-powered API integrationnot Etherscan
  • Batch processing for cost optimizationnot Etherscan

Etherscan

  • Looking up Ethereum transactions, addresses and token transfers in a block explorernot Anthropic API
  • Reading and verifying deployed smart contract source codenot Anthropic API
  • Pulling on-chain data into an application through the explorer APInot Anthropic API

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Anthropic API

  • Pricing varies significantly by model tier
  • Batch processing and Fast Mode add additional surcharges
  • US-only inference costs 1.1x standard pricing

Etherscan

  • The free API plan is capped at 3 calls per second and 100,000 calls per day
  • The free plan requires attribution and covers only selected chains rather than all supported chains
  • API Pro endpoints are withheld below the Standard plan at $199 per month
  • The $49 per month Lite plan raises the rate limit to only 5 calls per second and keeps the same 100,000 calls per day as the free tier
  • Rate limits top out at 30 calls per second even on the $899 per month Pro Plus plan
  • The Address Metadata endpoint requires Pro Plus at $899 per month and is limited to one app license
  • Metadata CSV export and dedicated support are only in Metadata Enterprise, which is quoted by contact with no published price
  • The 10% and 15% discounts apply only to quarterly and yearly prepayment

Pricing, plan by plan

Anthropic API

On request
  • Fable 5$undefined/mo
    • Input: $10/MTok
    • Output: $50/MTok
    • Prompt caching Write: $12.50/MTok
  • Opus 5$undefined/mo
    • Input: $5/MTok
    • Output: $25/MTok
    • Prompt caching Write: $6.25/MTok
  • Sonnet 5$undefined/mo
    • Input: $2/MTok
    • Output: $10/MTok
    • Prompt caching Write: $2.50/MTok
  • Haiku 4.5$undefined/mo
    • Input: $1/MTok
    • Output: $5/MTok
    • Prompt caching Write: $1.25/MTok

Etherscan

Free
  • FreeFree
    • 3 calls per second rate limit
    • Up to 100,000 API calls per day
    • Selected chains with 90% coverage
  • Lite$49/month
    • 5 calls per second rate limit
    • Up to 100,000 API calls per day
    • All supported chains with community endpoints
  • Standard$199/month
    • 10 calls per second rate limit
    • Up to 200,000 API calls per day
    • API Pro endpoints access
  • Advanced$299/month
    • 20 calls per second rate limit
    • Up to 500,000 API calls per day

Which should you pick?

Choose Anthropic API if

  • You need multiple models.
  • You work on Api.
  • You also want 200k context.
Anthropic API review

Choose Etherscan if

  • You need block explorer.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want transaction tracking.
Etherscan review

Questions people ask

Is Anthropic API or Etherscan better?
Neither clearly leads. Anthropic API starts at On request and Etherscan at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Anthropic API or Etherscan?
Etherscan has a free tier; the other does not. Paid plans start at On request for Anthropic API and Free for Etherscan.
Does Anthropic API or Etherscan run on more platforms?
Anthropic API runs on Api. Etherscan runs on Web, Api.
Can I use Etherscan for free?
Yes. Etherscan has a free tier, so you can try it without paying. Anthropic API starts at On request.
What is Anthropic API best used for?
Anthropic API is most often used for ai agent development, llm-powered api integration, batch processing for cost optimization. Of those, ai agent development and llm-powered api integration are not what Etherscan is typically brought in for.
What can Anthropic API do that Etherscan cannot?
Anthropic API covers Multiple models, 200K context, Vision capabilities, Function calling. Etherscan covers Block Explorer, Transaction Tracking, Token Tracker, Contract Verification. Both handle Api support.

Answered from the vendors’ own pages

Anthropic API: How much does the Claude API cost?

Claude API uses pay-as-you-go pricing per million tokens (MTok). Haiku 4.5 costs $1 input/$5 output per MTok; Sonnet 5 costs $2 input/$10 output; Opus 5 costs $5 input/$25 output; Fable 5 costs $10 input/$50 output per MTok.

Source
Etherscan: Is Etherscan API free to use?

Etherscan offers a free plan with a 3 calls per second rate limit and up to 100,000 API calls per day. The free tier provides access to selected chains with 90% coverage and requires attribution. Additional premium plans start at $49 per month.

Source
Anthropic API: What discounts does the Claude API offer?

Batch processing saves 50% on API costs. Prompt caching reduces token costs by up to 90% for cached reads (charged at 80% discount compared to standard rates). Fast Mode for Opus 5 costs 2x standard pricing for up to 2.5x faster response speeds.

Source
Etherscan: What are Etherscan's rate limits?

Etherscan provides different rate limits based on plan: Free plan allows 3 calls per second, Lite allows 5 calls per second, Standard allows 10 calls per second, Advanced and Professional allow 20-30 calls per second, and Pro Plus allows 30 calls per second with up to 1,500,000 API calls per day.

Source
Anthropic API: Does the Claude API have different billing models?

Self-serve access uses usage-based tiers with automatic rate limit increases as volume grows. Enterprise customers receive custom rate limits, monthly invoice billing, and hands-on support at negotiated pricing.

Source
Etherscan: Can I get a refund for Etherscan API payments?

No. Etherscan explicitly states that all payments made are non-refundable. Accounts are activated within 24 hours for API Pro accounts, and auto-renewal is enabled by default through Stripe.

Source
Anthropic API: How much extra does US-only inference cost on the Claude API?

US-only inference costs 1.1x pricing for input and output tokens across all model tiers compared to standard multi-region pricing.

Source
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