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Source: Google AI model docs

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Gemini 3

gemini-3.1-pro-preview

Reasoning · Speedgoogle/gemini-3.1-pro-previewThe upgraded core intelligence model representing a step forward in reasoning, a smarter and more capable baseline for complex problem-solving across consumer and developer products.
  • $2 / $12
  • 1M context
  • 64K max output
  • Text, Image, Video, Audio, PDF input
  • Thinking
  • Web search
  • Knowledge cutoff Jan 2025

gemini-3.1-flash-lite-preview

Reasoning · Speedgoogle/gemini-3.1-flash-lite-previewThe fastest and most cost-efficient Gemini 3 model, built for high-volume developer workloads at scale with 2.5x faster time to first token versus 2.5 Flash.
  • $0.25 / $1.50
  • 1M context
  • 64K max output
  • Text, Image, Video, Audio input
  • Thinking
  • Web search
  • Knowledge cutoff Jan 2025

gemini-3-flash-preview

Reasoning · Speedgoogle/gemini-3-flash-previewCombines Gemini 3 Pro’s reasoning capabilities with the Flash line’s latency, efficiency, and cost, designed for the most complex agentic workflows.
  • $0.50 / $3
  • 1M context
  • 64K max output
  • Text, Image, Video, Audio input
  • Thinking
  • Web search
  • Knowledge cutoff Jan 2025

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Gemini 2.5

$2.50 / $15 above 200K input tokens. All Gemini models support Google Search grounding.

gemini-2.5-pro

Reasoning · Speedgoogle/gemini-2.5-proThe most advanced reasoning Gemini model, capable of solving complex problems across text, audio, images, video, and code repositories.
  • $1.25 / $10
  • 1M context
  • 65K max output
  • Text, Image, Video, Audio, PDF input
  • Extended thinking
  • Web search
  • Knowledge cutoff Jan 2025

gemini-2.5-pro-preview-tts

Reasoning · Speedgoogle/gemini-2.5-pro-preview-ttsText-to-speech variant of Gemini 2.5 Pro for generating audio output from text input.
  • $1.25 / $10
  • 1M context
  • 66K max output
  • Text input
  • Audio output
  • Knowledge cutoff Jan 2025

gemini-2.5-flash

Reasoning · Speedgoogle/gemini-2.5-flashThe best model in terms of price and performance with well-rounded capabilities, the first Flash model featuring thinking capabilities.
  • $0.30 / $2.50
  • 1M context
  • 65K max output
  • Text, Image, Video, Audio input
  • Thinking
  • Web search
  • Knowledge cutoff Jan 2025

gemini-2.5-flash-lite

Reasoning · Speedgoogle/gemini-2.5-flash-liteThe fastest and most budget-friendly multimodal reasoning model in the 2.5 family, ideal for classification, translation, and high-scale operations.
  • $0.10 / $0.40
  • 1M context
  • 65K max output
  • Text, Image, Video, Audio input
  • Thinking
  • Web search
  • Knowledge cutoff Jan 2025

gemini-2.5-flash-native-audio

Reasoning · Speedgoogle/gemini-2.5-flash-native-audio-preview-12-2025Native audio dialog model for real-time voice conversations with thinking support.
  • $0.30 / $2.50
  • 1M context
  • 8K max output
  • Text, Audio input
  • Audio output
  • Thinking
  • Knowledge cutoff Jan 2025

gemini-2.5-flash-image

Reasoning · Speedgoogle/gemini-2.5-flash-imageSpecialized model for image generation and editing from text and image prompts. ~$0.039 per image output.
  • $0.30 / $30
  • 32K context
  • 32K max output
  • Text, Image input
  • Text, Image output
  • Knowledge cutoff Jan 2025

gemini-2.5-flash-preview-tts

Reasoning · Speedgoogle/gemini-2.5-flash-preview-ttsText-to-speech variant of Gemini 2.5 Flash for generating audio output at lower cost.
  • $0.15 / $0.60
  • 1M context
  • 66K max output
  • Text input
  • Audio output
  • Knowledge cutoff Jan 2025