LLM Reference

Gemini 1.5 Flash

Released
2024-05-14
Last refreshed
2026-05-11
Status
Researched 46d ago
RAGLong contextClassificationJSON / Tool use

Gemini 1.5 Flash is worth evaluating for rag, long context, and classification when its provider route and context window match the workload.

Use it for

  • Teams evaluating rag, long context, and classification
  • Workloads that can use a 1m context window
  • Buyers comparing 2 tracked provider routes

Do not use it for

  • Vision or document-understanding workloads
Specifications
Released
2024-05-14
Context
1m
Architecture
Decoder Only
Knowledge cutoff
2024-05
Specialization
general
Training
finetuned
Created by

Pioneering artificial intelligence research.

London, United Kingdom
Founded 2014
Website
Pricing
Output / 1M
$0.300
Input / 1M
$0.075

Cheapest of 2 routes · GCP Vertex AI

About

Gemini 1.5 Flash is a large language AI model by Google, crafted for speed and efficiency in high-volume scenarios 145. As a lightweight model, it's optimized for fast processing and cost-effectiveness, making it ideal for real-time applications and high-frequency tasks 567. With its multimodal capabilities, Gemini 1.5 Flash effectively processes and reasons across multiple data types, including text, images, audio, video, and PDFs 145. Despite its smaller size compared to Gemini 1.5 Pro, it excels in tasks like summarization, chat applications, and data extraction from lengthy documents, employing "knowledge distillation" to transfer essential knowledge from larger models 5. Additionally, it features an extensive context window of up to 1 million tokens, allowing it to manage large information volumes effectively 456.

Gemini 1.5 Flash is a model in the Gemini 1.5 family. The structured metadata tracks a 1m-token context window and structured outputs. This page tracks provider routes through GCP Vertex AI and Google AI Studio, with the cheapest tracked route listed at $0.075 input and $0.3 output per 1M tokens. Headline tracked benchmarks include MMLU PRO 59.1.

Top use-case fit

RAG

Included by capability and metadata signals in the decision map.

Long context

Included by capability and metadata signals in the decision map.

Classification

Q/$ C

1 relevant benchmark in the decision map.

Provider price ladder

Compare all 2

Compare API pricing across 2 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
GCP Vertex AI$0.075$0.300
Serverless
Google AI Studio--
ServerlessPartial

Capabilities

Structured Outputs

Benchmark peer barsfor Classification

Benchmark scores(1)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
BenchmarkScoreVersionSource
MMLU PRO59.1https://huggingface.co/spaces/TIGER-Lab/MMLU-Pro

Migration checks

No linked migration route is available for this model yet.

Rankings & picks(7)