Gemini 1.5 Flash
DeprecatedFast multimodal model from the Gemini 1.5 generation.
Overview
Gemini 1.5 Flash was the cost-optimized variant of the 1.5 generation with 1M context. Superseded by Gemini 2 Flash.
History
Gemini 1.5 Flash was released on 2024-05-14. This model is marked as deprecated and may be retired in the future.
Training & availability
Google has not released the underlying model weights — access is via their hosted API only.
Capabilities
-
Context window: 1.0M tokens.
-
Max output: 8K tokens.
-
Input modalities: text, image, audio, video.
Recommended for: vision, agentic, long-context, cheap.
Pricing
- Input: $0.0750 per 1M tokens
- Output: $0.3000 per 1M tokens
Use the cost calculator above to estimate monthly spend for your workload.
Quick start
Minimal example using the google API. Copy, paste, replace the key.
from google import genai
client = genai.Client(api_key="...")
resp = client.models.generate_content(
model="gemini-1.5-flash",
contents="Explain quantum computing in one sentence.",
)
print(resp.text)Cost calculator
Estimate your monthly bill. Presets are typical workload sizes.
Integrations & tooling support
- Tool calling
- Supported
- Structured outputs
- Supported
Price vs quality
Priced low — good for high-volume tasks. Quality tier pending more benchmark coverage.
- Quality percentile
- —
- Effective price
- $0.244/1M
- Pricing breakdown
- $0.075/1M in
$0.3/1M out
Community ratings
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Comments
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