Updated April 2026 · Independent Analysis
Llama 3.1vsOpenAI o1
Llama 3.1 is free; OpenAI o1 starts at $20/mo. OpenAI o1 is rated higher at 4.6/5 vs Llama 3.1's 4.3/5.
Llama 3.1vs OpenAI o1
★ 4.3/5-0.3 vs OpenAI o1
Only in Llama 3.1
- ✦ Open-source weights
- ✦ 128K context window
- ✦ Commercial license
✓ Free plan10M+ users · est. 2024
Try Llama 3.1 Free →
OpenAI o1vs Llama 3.1
★ 4.6/5+0.3 vs Llama 3.1
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
Llama 3.1
4.3/5 avg
G2 Score4.3/5
Capterra Score4.2/5
G2 Rating4.3/5
OpenAI o1
4.6/5 avg
G2 Score4.6/5
Capterra Score4.5/5
G2 Rating4.6/5
Quick Stats
Feature Comparison
Llama 3.1 uniquely offers Open-source weights, 128K context window, Commercial license. OpenAI o1 uniquely offers Chain-of-thought reasoning, PhD-level science, Advanced math. Both share 3 features including Function calling, JSON mode, Tool use.
Feature
Llama 3.1
OpenAI o1
Function calling
✓
✓
JSON mode
✓
✓
Tool use
✓
✓
Open-source weights
✓
✗
128K context window
✓
✗
Commercial license
✓
✗
Self-hostable
✓
✗
Multiple model sizes (8B/70B/405B)
✓
✗
Code generation
✓
✗
Multi-language
✓
✗
Fine-tuning
✓
✗
Quantization support
✓
✗
GGUF format
✓
✗
HuggingFace integration
✓
✗
RAG support
✓
✗
Local deployment
✓
✗
Batch processing
✓
✗
Custom training
✓
✗
Community ecosystem
✓
✗
No data sent to third parties
✓
✗
Chain-of-thought reasoning
✗
✓
PhD-level science
✗
✓
Advanced math
✗
✓
Complex coding
✗
✓
128K context
✗
✓
Vision
✗
✓
API access
✗
✓
Streaming
✗
✓
System prompts
✗
✓
File uploads
✗
✓
Safety evaluation
✗
✓
STEM optimization
✗
✓
Batch API
✗
✓
Document analysis
✗
✓
Benchmark-leading
✗
✓
Research tasks
✗
✓
Multi-step problem solving
✗
✓
Total Features
20
20
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Llama 3.1 if you need:
- ✓ Open-source weights
- ✓ 128K context window
- ✓ Commercial license
- ✓ Self-hostable
- ✓ Multiple model sizes (8B/70B/405B)
Choose OpenAI o1 if you need:
- ✓ Chain-of-thought reasoning
- ✓ PhD-level science
- ✓ Advanced math
- ✓ Complex coding
- ✓ 128K context
Pricing Comparison
Llama 3.1 is free; OpenAI o1 starts at $20/mo.
Llama 3.1 Plans
Free tier available
Free (open-source)
Free- • Commercial use allowed
- • Self-host anywhere
Via API providers
Free- • Groq, Together AI, etc.
- • $0.05-0.9/1M tokens
OpenAI o1 Plans
Paid plans only
PlusBest Value
$20/month- • o1 access (limited)
- • o1-mini included
Pro
$200/month- • Unlimited o1
- • o1 pro mode
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