Gemini 2.5 Pro Preview 05-06 vs GPT-5.1-Codex-Max (Comparative Analysis)
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Comparative Analysis: Gemini 2.5 Pro Preview 05-06 vs. GPT-5.1-Codex-Max
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Overview
Gemini 2.5 Pro Preview 05-06 was released 7 months before GPT-5.1-Codex-Max.
 Gemini 2.5 Pro Preview 05-06 |  GPT-5.1-Codex-Max | |
|---|---|---|
Model Provider The organization behind this AI's development | Google | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 400K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 65.5K tokens | 128K tokens |
Release Date When this model first became publicly available | May 7, 2025 1 year ago May 7th, 2025 | December 4, 2025 7 months ago December 4th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | January 31, 2025 | Not reported |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Gemini 2.5 Pro Preview 05-06 | GPT-5.1-Codex-Max | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image📁File🎵Audio🎬Video | 📝Text🖼️Image |
Reasoning Controls Defaults and configurable reasoning effort | Always enabled | Always enabledEffort: Extra High, High, Medium, LowDefault: Medium |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Gemini | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Pricing
Gemini 2.5 Pro Preview 05-06 is roughly 1.0x less expensive compared to GPT-5.1-Codex-Max for input tokens and roughly 1.0x less expensive for output tokens.
| Gemini 2.5 Pro Preview 05-06 | GPT-5.1-Codex-Max | |
|---|---|---|
Short Context Pricing Base rates before a long-context threshold applies | ||
Input Token Cost Cost per million input tokens | $1.25 per million tokens | $1.25 per million tokens |
Output Token Cost Cost per million output tokens | $10.00 per million tokens | $10.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.014 per search | $0.01 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.13 per million tokens | $0.13 per million tokens |
Cache Write Cost Cost to write input tokens to the cache | $0.38 per million tokens | Not specified |
Reasoning Token Cost Cost for internal reasoning tokens | $10.00 per million tokens | Not specified |
Image Input Cost Additional cost for each image input | $0.00000125 per image | Not specified |
Audio Input Cost Additional cost for audio input | $0.00000125 per unit | Not specified |
Audio Cache Cost Cost to reuse cached audio input tokens | $0.13 per million tokens | Not specified |
Long Context Pricing Rates for prompts with 200,000 or more tokens | ||
Input Token Cost Long-context input cost per million tokens | $2.50 per million tokens | Not specified |
Output Token Cost Long-context output cost per million tokens | $15.00 per million tokens | Not specified |
Cache Read Cost Long-context cache read cost per million tokens | $0.25 per million tokens | Not specified |
At a Glance
Quick overview of what makes Gemini 2.5 Pro Preview 05-06 and GPT-5.1-Codex-Max unique.
Gemini 2.5 Pro Preview 05-06 by Google understands both text and images, handles audio, analyzes video, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Reasonably priced at $1.25/M input and $10.00/M output tokens. Released May 7th, 2025.GPT-5.1-Codex-Max by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 400K token context window. Reasonably priced at $1.25/M input and $10.00/M output tokens. Released December 4th, 2025.Explore More Comparisons
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Compare GPT-5.1-Codex-Max with:
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Best models for coding and development
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💻Technology
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