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Models

Gemini 2.5: Our most intelligent models are getting even better

Gemini 2.5 models are capable of reasoning through their thoughts before responding, resulting in enhanced performance and improved accuracy.

What's new

Deep Think

We’re making Gemini 2.5 Pro even better by introducing an enhanced reasoning mode called Deep Think.

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Native audio

Converse in more expressive ways with native audio outputs that capture the subtle nuances of how we speak.

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An even better 2.5 Flash

Improved across key benchmarks for reasoning, multimodality, code and long context while getting even more efficient.

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Model family

Gemini 2.5 builds on the best of Gemini — with native multimodality and a long context window.

Hands-on with 2.5 Pro

See how Gemini 2.5 Pro uses its reasoning capabilities to create interactive simulations and do advanced coding.

Make an interactive animation

See how Gemini 2.5 Pro uses its reasoning capabilities to create an interactive animation of “cosmic fish” with a simple prompt.

Create your own dinosaur game

Watch Gemini 2.5 Pro create an endless runner game, using executable code from a single line prompt.

Code a fractal visualization

See how Gemini 2.5 Pro creates a simulation of intricate fractal patterns to explore a Mandelbrot set.

Plot interactive economic data

Watch Gemini 2.5 Pro use its reasoning capabilities to create an interactive bubble chart to visualize economic and health indicators over time.

Animate complex behavior

See how Gemini 2.5 Pro creates an interactive Javascript animation of colorful boids inside a spinning hexagon.

Code particle simulations

Watch Gemini 2.5 Pro use its reasoning capabilities to create an interactive simulation of a reflection nebula.

Performance

Gemini 2.5 is state-of-the-art across a wide range of benchmarks.

Benchmarks

Gemini 2.5 Pro demonstrates significantly improved performance across a wide range of benchmarks.

Benchmark
Gemini 2.5 Pro Preview (05-06)
OpenAI o3
OpenAI GPT-4.1
Claude 3.7 Sonnet 64k Extended thinking
Grok 3 Beta Extended thinking
DeepSeek R1
Input price
$/1M tokens $2.50
 $1.25 <= 200k tokens 		$10.00 $2.00 $3.00 $3.00 $0.55
Output price
$/1M tokens $15.00
 $10.00 <= 200k tokens 		$40.00 $8.00 $15.00 $15.00 $2.19
Reasoning & knowledge Humanity's Last Exam (no tools)
17.8% 20.3% 5.4% 8.9% — 8.6%*
Science GPQA diamond
single attempt (pass@1) 83.0% 83.3% 66.3% 78.2% 80.2% 71.5%
   
multiple attempts — — — 84.8% 84.6% —
Mathematics AIME 2025
single attempt (pass@1) 83.0% 88.9% — 49.5% 77.3% 70.0%
   
multiple attempts — — — — 93.3% —
Code generation LiveCodeBench v5
single attempt (pass@1) 75.6% — — — 70.6% 64.3%
   
multiple attempts — — — — 79.4% —
Code editing Aider Polyglot
76.5% / 72.7% whole / diff
81.3% / 79.6% whole / diff
51.6% / 52.9% whole / diff
64.9% diff
—
56.9% diff
Agentic coding SWE-bench Verified
63.2% 69.1% 54.6% 70.3% — 49.2%
Factuality SimpleQA
50.8% 49.4% 41.6% — 43.6% 30.1%
Visual reasoning MMMU
single attempt (pass@1) 79.6% 82.9% 75.0% 75.0% 76.0% no MM support
   
multiple attempts — — — — 78.0% no MM support
Image understanding Vibe-Eval (Reka)
65.6% — — — — no MM support
Video Video-MME
84.8% — — — — no MM support
Long context MRCR
128k (average) 93.0% — — — — —
   
1M (pointwise) 82.9% — — — — —
Multilingual performance Global MMLU (Lite)
88.6% — — — — —

Methodology

Gemini results: All Gemini 2.5 Pro scores are pass @1 (no majority voting or parallel test time compute unless indicated otherwise). They are all run with the AI Studio API for the model-id gemini-2.5-pro-preview-05-06 with default sampling settings. To reduce variance, we average over multiple trials for smaller benchmarks. Vibe-Eval results are reported using Gemini as a judge.

Non-Gemini results: All the results for non-Gemini models are sourced from providers' self reported numbers. All SWE-bench Verified numbers follow official provider reports, using different scaffolding and infrastructure. Google's scaffolding includes drawing multiple trajectories and re-scoring them using model's own judgement.

Thinking vs not-thinking: For Claude 3.7 Sonnet: GPQA, AIME 2024, MMMU come with 64k extended thinking, Aider with 32k, and HLE with 16k. Remaining results come from the non thinking model due to result availability. For Grok-3 all results come with extended reasoning except for SimpleQA (based on xAI reports).

Single attempt vs multiple attempts: When two numbers are reported for the same eval higher number uses majority voting with n=64 for Grok models and internal scoring with parallel test time compute for Anthropic models.

Result sources: Where provider numbers are not available we report numbers from leaderboards reporting results on these benchmarks: Humanity's Last Exam results are sourced from https://agi.safe.ai/ and https://scale.com/leaderboard/humanitys_last_exam, AIME 2025 numbers are sourced from https://matharena.ai/. LiveCodeBench results are from https://livecodebench.github.io/leaderboard.html (10/1/2024 - 2/1/2025 in the UI), Aider Polyglot numbers come from https://aider.chat/docs/leaderboards/. For MRCR we include 128k results as a cumulative score to ensure they can be comparable with previous results and a pointwise value for 1M context window to show the capability of the model at full length.

* indicates evaluated on text problems only (without images)

Building responsibly in the agentic era

As we develop these new technologies, we recognize the responsibility it entails, and aim to prioritize safety and security in all our efforts.

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For developers

Gemini’s advanced thinking, native multimodality and massive context window empowers developers to build next-generation experiences.

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Developer ecosystem

Build with cutting-edge generative AI models and tools to make AI helpful for everyone.

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Gemini API

Easily integrate Google’s most capable AI model to your apps

Accessing our latest AI models

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Gemini Flash

Preview

Gemini 2.5 Flash

Best for fast performance on complex tasks

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Our powerful and most efficient workhorse model designed for speed and low-cost.

Speed and value at scale

Ideal for tasks like summarization, chat applications, data extraction, and captioning.

  • Thinking budget

    Control how much 2.5 Flash reasons to balance latency and cost.

  • Natively multimodal

    Understands input across text, audio, images and video.

  • Long context

    Explore vast datasets with a 1-million token context window.

Adaptive and budgeted thinking

Adaptive controls and adjustable thinking budgets allow you to balance performance and cost.

  • Calibrated

    The model explores diverse thinking strategies, leading to more accurate and relevant outputs.

  • Controllable

    Developers have fine-grained control over the model's thinking process, allowing them to manage resource usage.

  • Adaptive

    When no thinking budget is set, the model assesses the complexity of a task and calibrates the amount of thinking accordingly.

Preview

Native audio

Converse in more expressive ways with native audio outputs that capture the subtle nuances of how we speak. Seamlessly switch between 24 languages, all with the same voice.

Try in Google AI Studio

Benchmarks

Benchmark
Gemini 2.5 Flash Preview (05-20)
Thinking
Gemini 2.0 Flash
OpenAI o4-mini
Claude 3.7 Sonnet 64k Extended thinking
Grok 3 Beta Extended thinking
DeepSeek R1
Input price
$/1M tokens $0.15 $0.10 $1.10 $3.00 $3.00 $0.55
Output price
$/1M tokens
$0.60
 no thinking
$3.50
 thinking
$0.40 $4.40 $15.00 $15.00 $2.19
Reasoning & knowledge Humanity's Last Exam (no tools)
11.0% 5.1% 14.3% 8.9% — 8.6%*
Science GPQA diamond
single attempt (pass@1) 82.8% 60.1% 81.4% 78.2% 80.2% 71.5%
   
multiple attempts — — — 84.8% 84.6% —
Mathematics AIME 2025
single attempt (pass@1) 72.0% 27.5% 92.7% 49.5% 77.3% 70.0%
   
multiple attempts — — — — 93.3% —
Code generation LiveCodeBench v5
single attempt (pass@1) 63.9% 34.5% — — 70.6% 64.3%
   
multiple attempts — — — — 79.4% —
Code editing Aider Polyglot
61.9% / 56.7% whole / diff-fenced
22.2% whole
68.9% / 58.2% whole / diff
64.9% diff
53.3% diff
56.9% diff
Agentic coding SWE-bench Verified
60.4% — 68.1% 70.3% — 49.2%
Factuality SimpleQA
26.9% 29.9% — — 43.6% 30.1%
Factuality FACTS Grounding
85.3% 84.6% 62.1% 78.8% 74.8% 56.8%
Visual reasoning MMMU
single attempt (pass@1) 79.7% 71.7% 81.6% 75.0% 76.0% no MM support
   
multiple attempts — — — — 78.0% no MM support
Image understanding Vibe-Eval (Reka)
65.4% 56.4% — — — no MM support
Long context MRCR v2
128k (average) 74.0% 36.0% 49.0% — 54.0% 45.0%
   
1M (pointwise) 32.0% 6.0% — — — —
Multilingual performance Global MMLU (Lite)
88.4% 83.4% — — — —

Methodology

Gemini results: All Gemini scores are pass @1 (no majority voting or parallel test time compute unless indicated otherwise). They are all run with the AI Studio API for the model-id gemini-2.5-flash-preview-05-20 and gemini-2.0-flash with default sampling settings. To reduce variance, we average over multiple trials for smaller benchmarks. Vibe-Eval results are reported using Gemini as a judge.

Non-Gemini results: All the results for non-Gemini models are sourced from providers' self reported numbers unless mentioned otherwise below. All SWE-bench Verified numbers follow official provider reports, using different scaffoldings and infrastructure. Google's scaffolding includes drawing multiple trajectories and re-scoring them using model's own judgement.

Thinking vs not-thinking: For Claude 3.7 Sonnet: GPQA, AIME 2024, MMMU come with 64k extended thinking, Aider with 32k, and HLE with 16k. Remaining results come from the non thinking model due to result availability. For Grok-3 all results come with extended reasoning except for SimpleQA (based on xAI reports) and Aider.

Single attempt vs multiple attempts: When two numbers are reported for the same eval higher number uses majority voting with n=64 for Grok models and internal scoring with parallel test time compute for Anthropic models.

Result sources: Where provider numbers are not available we report numbers from leaderboards reporting results on these benchmarks: Humanity's Last Exam results are sourced from https://agi.safe.ai/ and https://scale.com/leaderboard/humanitys_last_exam, AIME 2025 numbers are sourced from https://matharena.ai/. LiveCodeBench results are from https://livecodebench.github.io/leaderboard.html (10/1/2024 - 2/1/2025 in the UI), Aider Polyglot numbers come from https://aider.chat/docs/leaderboards/. FACTS come from https://www.kaggle.com/benchmarks/google/facts-grounding. For MRCR v2 which is not publically available yet we include 128k results as a cumulative score to ensure they can be comparable with previous results and a pointwise value for 1M context window to show the capability of the model at full length.

API costs are sourced from providers' website and are current as of May 20th.

* indicates evaluated on text problems only (without images)

Model information

2.5 Flash Model Card

2.0 Flash 2.5 Flash
Model deployment status General availability Preview
Supported data types for input Text, Image, Video, Audio Text, Image, Video, Audio
Supported data types for output Text Text
Supported # tokens for input 1M 1M
Supported # tokens for output 8k 64k
Knowledge cutoff June 2024 January 2025
Tool use Search as a tool
Code execution 		Function calling
Structured output
Search as a tool
Code execution
Best for Low latency scenarios
Automating tasks 		Cost-efficient thinking
Well-rounded capabilities
Availability Google AI Studio
Gemini API
Vertex AI
Gemini App 		Google AI Studio
Gemini API
Vertex AI
Gemini App

Try Gemini Flash

Preview

2.5 Flash

Best for fast performance on complex tasks

General availability

2.0 Flash

Best for fast performance on everyday tasks

General availability

2.0 Flash-Lite

Best for cost-efficient performance