CompareStack/Consensus vs Anthropic API (Claude)
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Updated March 2026 · Independent Analysis

ConsensusvsAnthropic API (Claude)

Consensus starts at $10/mo; Anthropic API (Claude) is free. Anthropic API (Claude) is rated higher at 4.7/5 vs Consensus's 4.5/5.

C
Consensus

AI-powered scientific research search engine that surfaces evidence-based answers from peer-reviewed papers.

★ 4.5/5Founded 20221M+ users
Try Consensus Free →
A
Anthropic API (Claude)

Anthropic's API providing access to Claude models with industry-leading safety, 200K context windows, and strong reasoning capabilities.

★ 4.7/5Founded 2021500K+ users
Try Anthropic API (Claude) Free →

⚡ Quick Stats

⭐
Avg Rating
Consensus4.5/5
Anthropic API (Claude)4.7/5
🏆 Anthropic API (Claude) wins
💰
Starting Price
Consensus$10/mo
Anthropic API (Claude)Free
🏆 Anthropic API (Claude) wins
🔧
Features
Consensus12
Anthropic API (Claude)12
🏆 Consensus wins
🎁
Free Plan
ConsensusYes ✓
Anthropic API (Claude)No
🏆 Consensus wins

📊 Ratings Breakdown

C

Consensus

4.5/5 avg
G2 Score4.6/5
Capterra Score4.5/5
Overall Avg4.55/5
A

Anthropic API (Claude)

4.7/5 avg
G2 Score4.7/5
Capterra Score4.6/5
Overall Avg4.65/5

⚡ Quick Verdict

Independent analysis based on features, pricing, and user ratings

Choose Consensus if you need:
  • ✓ Scientific paper search
  • ✓ Consensus meter
  • ✓ AI summaries
  • ✓ Claim extraction
  • ✓ Study details
Try Consensus Free →
Choose Anthropic API (Claude) if you need:
  • ✓ Claude 3.5 Sonnet/Opus/Haiku
  • ✓ 200K context window
  • ✓ Vision capabilities
  • ✓ Function calling
  • ✓ Streaming
Try Anthropic API (Claude) Free →

🔧 Feature Comparison

Consensus uniquely offers Scientific paper search, Consensus meter, AI summaries. Anthropic API (Claude) uniquely offers Claude 3.5 Sonnet/Opus/Haiku, 200K context window, Vision capabilities. Both share 0 features.

Feature
Consensus
Anthropic API (Claude)
Scientific paper search
✓
✗
Consensus meter
✓
✗
AI summaries
✓
✗
Claim extraction
✓
✗
Study details
✓
✗
Citation export
✓
✗
GPT-4 summaries
✓
✗
Research domains
✓
✗
Filters
✓
✗
Bookmarks
✓
✗
CSV export
✓
✗
API access
✓
✗
Claude 3.5 Sonnet/Opus/Haiku
✗
✓
200K context window
✗
✓
Vision capabilities
✗
✓
Function calling
✗
✓
Streaming
✗
✓
Batch API
✗
✓
Fine-tuning (coming)
✗
✓
Safety features
✗
✓
Constitutional AI
✗
✓
Tool use
✗
✓
JSON mode
✗
✓
Enterprise tier
✗
✓
Total Features
12
12

💰 Pricing Comparison

Consensus starts at $10/mo; Anthropic API (Claude) is free.

C

Consensus Plans

Free tier available

Free
Free
  • • 20 searches/day
  • • Basic summaries
  • • Paper access
PremiumBest Value
$10/mo
  • • Unlimited searches
  • • GPT-4 summaries
  • • CSV export
Enterprise
Custom
  • • API access
  • • Team accounts
  • • Custom integrations
Full Consensus pricing breakdown →
A

Anthropic API (Claude) Plans

Paid plans only

Pay per use
Free
  • • Per-token pricing
  • • All Claude models
  • • API key access
Workspaces
Custom
  • • Team management
  • • Usage controls
  • • Enterprise features
Full Anthropic API (Claude) pricing breakdown →
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❓ Frequently Asked Questions

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