Activereasoningllm Proprietary

Gemini 2.5 Pro Experimental

by Google· Released March 2025· Cutoff January 2025

Gemini 2.5 Pro Experimental is Google's most advanced reasoning model, featuring a 1M token context window and native multimodal capabilities. It excels at complex tasks like coding, mathematics, and scientific reasoning, with a 'thinking' mode that improves accuracy. This model represents a significant leap in reasoning performance for the Gemini lineup.

Official Site API Docs

Input cost

$1.25 per 1M tokens

Output cost

$10.00 per 1M tokens

Context window

1M tokens

Max output

8192 tokens

Modalities

textimageaudiovideo

License

proprietary

Capabilities

Function CallingCode GenerationVisionAudio UnderstandingVideo UnderstandingStreamingJSON ModeThinking Mode

Best For

Complex reasoning tasks requiring deep analysis, long-context understanding, and multimodal inputs.

Strengths

Industry-leading 1M token context window
Strong reasoning and problem-solving abilities
Native multimodal support (text, image, audio, video)
Competitive pricing for its tier

Limitations

Experimental status may lead to occasional instability
Output token limit (8192) may be restrictive for very long generations
Not yet available in all regions or for all use cases
May be slower than non-reasoning models due to thinking mode

Use Cases

Advanced code generation and debugging

Long-document analysis and summarization

Multimodal data extraction and reasoning

Scientific research and mathematical problem solving

Complex agentic workflows with tool use

Video content understanding and analysis

Audio transcription and reasoning

Improvements Over Previous Model

Introduced 'thinking' mode for enhanced reasoning
Context window increased from 200K to 1M tokens
Improved coding and math benchmarks significantly over Gemini 2.0 Pro
Added native audio and video understanding capabilities
Lower pricing compared to Gemini 2.0 Pro ($1.25 vs $2.00 input, $10 vs $8 output per 1M tokens)
Better performance on complex agentic tasks and tool use

Back to all models

Improvements Over Previous Model

Introduced 'thinking' mode for enhanced reasoning

Context window increased from 200K to 1M tokens

Improved coding and math benchmarks significantly over Gemini 2.0 Pro

Added native audio and video understanding capabilities

Lower pricing compared to Gemini 2.0 Pro ($1.25 vs $2.00 input, $10 vs $8 output per 1M tokens)

Better performance on complex agentic tasks and tool use