Google Launches Gemini 2.5 Deep Think Reasoning Mode
August 28, 2025
Google launched Gemini 2.5 Deep Think, an advanced reasoning mode in Gemini 2.5 Pro, available to Google AI Ultra subscribers via the Gemini app. It uses parallel thinking and reinforcement learning for better problem-solving, generating and refining hypotheses over time. Strengths include creative projects, science, math, and coding. Activate via "Deep Think" in the prompt bar; limited daily prompts. Integrates tools like code execution and search for detailed, safe responses.
| Benchmark | Score | Notes |
|---|---|---|
| Humanity's Last Exam | 21.6% | Expert-level; beats predecessors. |
| GPQA (Science) | 86.4% | High accuracy in STEM. |
| AIME 2025 (Math) | 88.0% | Near SOTA. |
| LiveCodeBench (Code) | 69.0% | Outperforms o3, Grok 4. |
| Aider Polyglot | 82.2% | Multi-language edits. |
| SWE-bench | 67.2% | Real-world tasks. |
| MMMU | 82.0% | Multimodal reasoning. |
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