Updated April 2026 · Independent Analysis
Claude 3.5 SonnetvsOpenAI o1
Both Claude 3.5 Sonnet and OpenAI o1 start at $20/mo. Claude 3.5 Sonnet is rated higher at 4.7/5 vs OpenAI o1's 4.6/5.
Claude 3.5 Sonnetvs OpenAI o1
★ 4.7/5+0.1 vs OpenAI o1
Only in Claude 3.5 Sonnet
- ✦ 200K context window
- ✦ Artifacts feature
- ✦ Computer use (beta)
✓ Free planFrom $20/mo10M+ users · est. 2024
Try Claude 3.5 Sonnet Free →
OpenAI o1vs Claude 3.5 Sonnet
★ 4.6/5-0.1 vs Claude 3.5 Sonnet
Only in OpenAI o1
- ✦ Chain-of-thought reasoning
- ✦ PhD-level science
- ✦ Advanced math
From $20/mo10M+ users · est. 2024
Try OpenAI o1 Free →Ratings Breakdown
Claude 3.5 Sonnet
4.7/5 avg
G2 Score4.7/5
Capterra Score4.5/5
G2 Rating4.7/5
OpenAI o1
4.6/5 avg
G2 Score4.6/5
Capterra Score4.5/5
G2 Rating4.6/5
Quick Stats
Feature Comparison
Claude 3.5 Sonnet uniquely offers 200K context window, Artifacts feature, Computer use (beta). OpenAI o1 uniquely offers Chain-of-thought reasoning, PhD-level science, Advanced math. Both share 9 features including Vision, Function calling, JSON mode.
Feature
Claude 3.5 Sonnet
OpenAI o1
Vision
✓
✓
Function calling
✓
✓
JSON mode
✓
✓
Streaming
✓
✓
API access
✓
✓
System prompts
✓
✓
Tool use
✓
✓
Document analysis
✓
✓
File uploads
✓
✓
200K context window
✓
✗
Artifacts feature
✓
✗
Computer use (beta)
✓
✗
Code generation
✓
✗
Advanced reasoning
✓
✗
Multi-language
✓
✗
Batch processing
✓
✗
Enterprise SSO
✓
✗
Custom instructions
✓
✗
Citation support
✓
✗
Safety controls
✓
✗
Chain-of-thought reasoning
✗
✓
PhD-level science
✗
✓
Advanced math
✗
✓
Complex coding
✗
✓
128K context
✗
✓
Safety evaluation
✗
✓
STEM optimization
✗
✓
Batch API
✗
✓
Benchmark-leading
✗
✓
Research tasks
✗
✓
Multi-step problem solving
✗
✓
Total Features
20
20
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Claude 3.5 Sonnet if you need:
- ✓ 200K context window
- ✓ Artifacts feature
- ✓ Computer use (beta)
- ✓ Code generation
- ✓ Advanced reasoning
Choose OpenAI o1 if you need:
- ✓ Chain-of-thought reasoning
- ✓ PhD-level science
- ✓ Advanced math
- ✓ Complex coding
- ✓ 128K context
Pricing Comparison
Both Claude 3.5 Sonnet and OpenAI o1 start at $20/mo.
Claude 3.5 Sonnet Plans
Free tier available
Free
Free- • Claude 3.5 Sonnet limited
- • Basic features
ProBest Value
$20/month- • 5x more usage
- • Projects
- • Priority access
Team
$30/month- • Everything in Pro
- • Central billing
- • Admin console
OpenAI o1 Plans
Paid plans only
PlusBest Value
$20/month- • o1 access (limited)
- • o1-mini included
Pro
$200/month- • Unlimited o1
- • o1 pro mode
🔔 Get notified when prices change
Frequently Asked Questions
📬 Stay updated on SaaS pricing changes
Get notified when tools update their pricing or features