Now 2.5 Pro can be 'more creative with better-formatted responses.'
Google spokesperson
Key Facts
- Google initially released Gemini 2.5 Pro with some regressions in performance, prompting the company to gather feedback for improvements.
- The upgraded Gemini 2.5 Pro, called the I/O edition, focuses on better coding and complex problem-solving capabilities, marking it as Google's 'most intelligent' model yet.2
- The upgraded Gemini 2.5 Pro achieved a 24-point Elo score increase to 1470 on LMArena, placing it at the top of the leaderboard for a range of tasks.
- On WebDevArena, the model scored 1443, a 35-point increase, outperforming competitors like OpenAI, Anthropic, and DeepSeek.
- The model reached a new high score of 82.2% in the Aider Polyglot coding test, beating top AI rivals including OpenAI, Anthropic, and DeepSeek by a comfortable margin.
- Google made the upgraded Gemini 2.5 Pro preview available on AI Studio, Vertex AI, Gemini API, and the Gemini app, adding new developer controls such as thinking budgets for cost and latency management.
- Google plans to roll out the Gemini 2.5 Pro model in general availability within a couple of weeks to expand its presence in the fast-growing AI space.2
Key Stats at a Glance
Elo score increase on LMArena
24 points
Top Elo score on LMArena
1470 points
Elo score increase on WebDevArena
35 points
Top Elo score on WebDevArena
1443 points
High score in Aider Polyglot coding test
82.2%
Rollout timeline for general availability
336 hours