Updated April 2026 · Independent Analysis
OpenAI o1vsGemini 1.5 Pro
Both OpenAI o1 and Gemini 1.5 Pro start at $20/mo. Both rated 4.6/5 by users.
OpenAI o1vs Gemini 1.5 Pro
★ 4.6/5+0.1 vs Gemini 1.5 Pro
Only in OpenAI o1
- ✦ Chain-of-thought reasoning
- ✦ PhD-level science
- ✦ Advanced math
From $20/mo10M+ users · est. 2024
Try OpenAI o1 Free →
Gemini 1.5 Provs OpenAI o1
★ 4.5/5-0.1 vs OpenAI o1
Only in Gemini 1.5 Pro
- ✦ 1M token context window
- ✦ Multimodal (text/image/video/audio)
- ✦ Code generation
✓ Free planFrom $20/mo50M+ users · est. 2024
Try Gemini 1.5 Pro Free →Ratings Breakdown
OpenAI o1
4.6/5 avg
G2 Score4.6/5
Capterra Score4.5/5
G2 Rating4.6/5
Gemini 1.5 Pro
4.5/5 avg
G2 Score4.5/5
Capterra Score4.4/5
G2 Rating4.5/5
Quick Stats
Feature Comparison
OpenAI o1 uniquely offers Chain-of-thought reasoning, PhD-level science, Advanced math. Gemini 1.5 Pro uniquely offers 1M token context window, Multimodal (text/image/video/audio), Code generation. Both share 8 features including API access, Function calling, JSON mode.
Feature
OpenAI o1
Gemini 1.5 Pro
API access
✓
✓
Function calling
✓
✓
JSON mode
✓
✓
Streaming
✓
✓
System prompts
✓
✓
File uploads
✓
✓
Tool use
✓
✓
Document analysis
✓
✓
Chain-of-thought reasoning
✓
✗
PhD-level science
✓
✗
Advanced math
✓
✗
Complex coding
✓
✗
128K context
✓
✗
Vision
✓
✗
Safety evaluation
✓
✗
STEM optimization
✓
✗
Batch API
✓
✗
Benchmark-leading
✓
✗
Research tasks
✓
✗
Multi-step problem solving
✓
✗
1M token context window
✗
✓
Multimodal (text/image/video/audio)
✗
✓
Code generation
✗
✓
Google Search integration
✗
✓
Video understanding
✗
✓
Audio understanding
✗
✓
Real-time data
✗
✓
Multi-language
✗
✓
Enterprise SSO
✗
✓
Grounding
✗
✓
Citation
✗
✓
Batch processing
✗
✓
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 Gemini 1.5 Pro if you need:
- ✓ 1M token context window
- ✓ Multimodal (text/image/video/audio)
- ✓ Code generation
- ✓ Google Search integration
- ✓ Video understanding
Pricing Comparison
Both OpenAI o1 and Gemini 1.5 Pro start at $20/mo.
OpenAI o1 Plans
Paid plans only
PlusBest Value
$20/month- • o1 access (limited)
- • o1-mini included
Pro
$200/month- • Unlimited o1
- • o1 pro mode
Gemini 1.5 Pro Plans
Free tier available
Free
Free- • Gemini 1.5 Flash
- • Basic features
AdvancedBest Value
$20/month- • Gemini 1.5 Pro
- • 1M context
- • Google Workspace integration
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