Gemini 2.5 Pro Preview 06-05 vs GPT-5 Medium
Gemini 2.5 Pro Preview 06-05 and GPT-5 Medium are closely matched at 29.9 and 30.1 on the LLM Stats Score. Gemini 2.5 Pro Preview 06-05 and GPT-5 Medium cost the same.
Google · OpenAI · Updated for 2026
Which is better?
Gemini 2.5 Pro Preview 06-05 and GPT-5 Medium are closely matched on the overall LLM Stats Score at 29.9 and 30.1.
In the 2 individual benchmarks reported for both models, GPT-5 Medium wins 2; this is a narrower head-to-head signal than the composite indexes.
Gemini 2.5 Pro Preview 06-05 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemini 2.5 Pro Preview 06-05
- you process long inputs — it offers a 1,048,576 token context window
Choose GPT-5 Medium
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
- you want the most recent training data — it shipped Aug 2025
At a glance
The differences that matter most.
Individual benchmarks
13 reported for Gemini 2.5 Pro Preview 06-05 · 2 for GPT-5 Medium
Gemini 2.5 Pro Preview 06-05 outperforms in 0 benchmarks, while GPT-5 Medium is better at 2 benchmarks (AIME 2025, GPQA).
GPT-5 Medium significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens) costs the same as GPT-5 Medium ($1.25/1M tokens).
For output processing, Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens) costs the same as GPT-5 Medium ($10.00/1M tokens).
In conclusion, Gemini 2.5 Pro Preview 06-05 and GPT-5 Medium cost the same.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 2.5 Pro Preview 06-05 accepts 1,048,576 input tokens compared to GPT-5 Medium's 400,000 tokens. GPT-5 Medium can generate longer responses up to 128,000 tokens, while Gemini 2.5 Pro Preview 06-05 is limited to 65,535 tokens.
Input capabilities
Documented input modalities across available providers
Both Gemini 2.5 Pro Preview 06-05 and GPT-5 Medium support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 2.5 Pro Preview 06-05
GPT-5 Medium
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05, while GPT-5 Medium was released on 2025-08-07.
GPT-5 Medium is 2 months newer than Gemini 2.5 Pro Preview 06-05.
Jun 5, 2025
1.3 years ago
Aug 7, 2025
1.1 years ago
2mo newerKnowledge Cutoff
When training data ends
Gemini 2.5 Pro Preview 06-05 has a knowledge cutoff of 2025-01-31, while GPT-5 Medium has a cutoff of 2024-09-30.
Gemini 2.5 Pro Preview 06-05 has more recent training data (up to 2025-01-31), making it potentially better informed about events through that date compared to GPT-5 Medium (2024-09-30).
Jan 2025
4 mo newerSep 2024
Provider Availability
Gemini 2.5 Pro Preview 06-05 is available from Google. GPT-5 Medium is available from OpenAI.
Gemini 2.5 Pro Preview 06-05
GPT-5 Medium
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 2.5 Pro Preview 06-05 and GPT-5 Medium side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 2.5 Pro Preview 06-05 vs GPT-5 Medium.