Updated April 2026 · Independent Analysis
OpenAI o1vsDeepSeek V3
OpenAI o1 starts at $20/mo; DeepSeek V3 is free. OpenAI o1 is rated higher at 4.6/5 vs DeepSeek V3's 4.4/5.
OpenAI o1vs DeepSeek V3
★ 4.6/5+0.2 vs DeepSeek V3
Only in OpenAI o1
- ✦ Chain-of-thought reasoning
- ✦ PhD-level science
- ✦ Advanced math
From $20/mo10M+ users · est. 2024
Try OpenAI o1 Free →
DeepSeek V3vs OpenAI o1
★ 4.4/5-0.2 vs OpenAI o1
Only in DeepSeek V3
- ✦ 128K context window
- ✦ Open weights
- ✦ Code generation
✓ Free plan5M+ users · est. 2024
Try DeepSeek V3 Free →Ratings Breakdown
OpenAI o1
4.6/5 avg
G2 Score4.6/5
Capterra Score4.5/5
G2 Rating4.6/5
DeepSeek V3
4.4/5 avg
G2 Score4.4/5
Capterra Score4.3/5
G2 Rating4.4/5
Quick Stats
Feature Comparison
OpenAI o1 uniquely offers Chain-of-thought reasoning, PhD-level science, Advanced math. DeepSeek V3 uniquely offers 128K context window, Open weights, Code generation. Both share 7 features including API access, Function calling, JSON mode.
Feature
OpenAI o1
DeepSeek V3
API access
✓
✓
Function calling
✓
✓
JSON mode
✓
✓
Streaming
✓
✓
System prompts
✓
✓
Tool use
✓
✓
Document analysis
✓
✓
Chain-of-thought reasoning
✓
✗
PhD-level science
✓
✗
Advanced math
✓
✗
Complex coding
✓
✗
128K context
✓
✗
Vision
✓
✗
File uploads
✓
✗
Safety evaluation
✓
✗
STEM optimization
✓
✗
Batch API
✓
✗
Benchmark-leading
✓
✗
Research tasks
✓
✗
Multi-step problem solving
✓
✗
128K context window
✗
✓
Open weights
✗
✓
Code generation
✗
✓
Multi-language
✗
✓
Math reasoning
✗
✓
Scientific analysis
✗
✓
Mixture of Experts
✗
✓
Cost-efficient inference
✗
✓
Self-hosted option
✗
✓
Real-time data (web)
✗
✓
Batch processing
✗
✓
Concurrent requests
✗
✓
Vision (V3-turbo)
✗
✓
Total Features
20
20
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose OpenAI o1 if you need:
- ✓ Chain-of-thought reasoning
- ✓ PhD-level science
- ✓ Advanced math
- ✓ Complex coding
- ✓ 128K context
Choose DeepSeek V3 if you need:
- ✓ 128K context window
- ✓ Open weights
- ✓ Code generation
- ✓ Multi-language
- ✓ Math reasoning
Pricing Comparison
OpenAI o1 starts at $20/mo; DeepSeek V3 is free.
OpenAI o1 Plans
Paid plans only
PlusBest Value
$20/month- • o1 access (limited)
- • o1-mini included
Pro
$200/month- • Unlimited o1
- • o1 pro mode
DeepSeek V3 Plans
Free tier available
Free (API)
Free- • Limited API calls
- • DeepSeek-V3 access
API Pay-as-you-go
Free- • $0.27/1M input tokens
- • Cheapest frontier model
🔔 Get notified when prices change
Frequently Asked Questions
📬 Stay updated on SaaS pricing changes
Get notified when tools update their pricing or features