Model Comparison
GPT-5 CodexGemini 1.5 Pro
Let's see who can write code better - GPT-5 Codex or Gemini 1.5 Pro
Model Information
GPT-5 Codex
Description
Flagship model from OpenAI optimised for coding tasks
Specifications
Context Window272K
Max Output33K
ReleasedSep 2025
API✓
Pricing (per 1M)
In / Out
$1.25/ $10
Key Features
CodingAdvanced reasoningMulti-modal native
Strengths
- ✓State-of-the-art performance
- ✓Optimised for coding
- ✓Large context window
Weaknesses
- ✗Likely very expensive
- ✗Unknown specifications
Agent Support
No known agents
Gemini 1.5 Pro
Description
Multimodal model with massive context window up to 2M tokens (deprecated - no longer available in API)
Specifications
Context Window2.0M
Max Output8K
ReleasedMay 2024
API✓
Pricing (per 1M)
In / Out
$1.25/ $5
Key Features
Massive context windowMultimodal understandingCode executionAudio processingVideo understanding
Strengths
- ✓Largest context window available
- ✓Strong multimodal capabilities
- ✓Good at following instructions
- ✓Excellent for document analysis
Weaknesses
- ✗Can be slow with large contexts
- ✗API availability limitations
- ✗Inconsistent performance
Agent Support
No known agents