Gemini 3.5 Flash-Lite vs Gemini Omni 1.1 Flash

Pricing verdict: Gemini 3.5 Flash-Lite vs Gemini Omni 1.1 Flash: Gemini 3.5 Flash-Lite is cheaper for input-heavy usage ($0.30/M vs $1.50/M input tokens), while Gemini Omni 1.1 Flash is better for long-context tasks (1,048,576 tokens).

Direct answer: choose Gemini 3.5 Flash-Lite for lower token spend and choose Gemini Omni 1.1 Flash when your workload needs longer context.

Compare API pricing, input and output token costs, context windows, and monthly estimates on one page so you can pick the right model fast.

Google

Gemini 3.5 Flash-Lite

Google

Gemini Omni 1.1 Flash

Try Google →

Gemini 3.5 Flash-Lite pricing page Gemini Omni 1.1 Flash pricing page Google provider overview Google provider overview

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Gemini 3.5 Flash-Lite

Per Request:$0.001550

Daily:$0.155

Monthly:$4.65

Yearly:$56.575

Gemini Omni 1.1 Flash

Per Request:$0.01025

Daily:$1.025

Monthly:$30.75

Yearly:$374.125

Cost Differences

+$0.008700

Per Request

+$0.87

Daily

+$26.10

Monthly

+$317.55

Yearly

Gemini Omni 1.1 Flash costs more than Gemini 3.5 Flash-Lite

Quick Recommendation

Winner for direct API pricing: Gemini 3.5 Flash-Lite. At the default workload, Gemini 3.5 Flash-Lite saves about $26.10/month ($317.55/year) versus Gemini Omni 1.1 Flash.

Gemini 3.5 Flash-Lite full pricing breakdown Gemini Omni 1.1 Flash full pricing breakdown Google API pricing details Google API pricing details GPT-6 Astra vs Gemini Omni 1.1 Flash GPT-6 Astra vs Gemini 3.8 Flash

Feature Comparison

Feature	Gemini 3.5 Flash-Lite	Gemini Omni 1.1 Flash
Provider	Google	Google
Input Price	$0.30/1M tokens	$1.50/1M tokens
Output Price	$2.50/1M tokens	$17.50/1M tokens
Context Window	1,000,000 tokens	1,048,576 tokens
Max Output	65,536 tokens	57,920 tokens
Category	efficient	flagship
Capabilities	textvisionaudiovideocodereasoning	textvisionaudiovideo
Release Date	7/21/2026	8/27/2026

Gemini 3.5 Flash-Lite vs Gemini Omni 1.1 Flash: Which Should You Choose?

Choosing between Gemini 3.5 Flash-Lite and Gemini Omni 1.1 Flash depends on your priorities: cost efficiency, context length, or raw capability. Gemini 3.5 Flash-Lite is the more affordable option at $0.30/1M input tokens — 80% cheaper than Gemini Omni 1.1 Flash. Meanwhile, Gemini Omni 1.1 Flash offers a significantly larger context window at 1,048,576 tokens vs 1,000,000 for Gemini 3.5 Flash-Lite.

These models target different tiers: Gemini 3.5 Flash-Lite is a efficient model while Gemini Omni 1.1 Flash is flagship. This means they're optimized for different workloads. Gemini Omni 1.1 Flash targets more demanding workloads, while Gemini 3.5 Flash-Lite provides a cost-effective option for everyday tasks.

Output costs matter too. Gemini 3.5 Flash-Lite charges $2.50/1M output tokens vs $17.50 for Gemini Omni 1.1 Flash. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Gemini 3.5 Flash-Lite has the edge here at $2.50/1M output tokens.

Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.

Best Use Cases

Choose Gemini 3.5 Flash-Lite when:

• Budget is a primary concern
• You need more capabilities (code, reasoning)
• You need longer outputs (up to 65,536 tokens)
• You're already using Google's API ecosystem
• You're running high-volume, latency-sensitive workloads

Choose Gemini Omni 1.1 Flash when:

• You need a larger context window (1,048,576 tokens)
• You're already using Google's API ecosystem

Pros and Caveats at a Glance

Gemini 3.5 Flash-Lite

• Input pricing: $0.30/M tokens
• Output pricing: $2.50/M tokens
• Context window: 1,000,000 tokens
• Max output: 65,536 tokens

Watch out for

• Smaller context window than Gemini Omni 1.1 Flash

Gemini Omni 1.1 Flash

• Input pricing: $1.50/M tokens
• Output pricing: $17.50/M tokens
• Context window: 1,048,576 tokens
• Max output: 57,920 tokens

Watch out for

• Higher input cost than Gemini 3.5 Flash-Lite
• Higher output cost than Gemini 3.5 Flash-Lite

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Gemini 3.5 Flash-Lite (Google)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

Select a provider and model to see costs

Gemini Omni 1.1 Flash (Google)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

Select a provider and model to see costs

Start using Gemini 3.5 Flash-Lite today

Start using Gemini Omni 1.1 Flash today

Frequently Asked Questions

Which is cheaper, Gemini 3.5 Flash-Lite or Gemini Omni 1.1 Flash?▼

Gemini 3.5 Flash-Lite is cheaper for input tokens at $0.30 per million tokens vs $1.50 for Gemini Omni 1.1 Flash — that's 80% savings on input costs.

What is the context window difference between Gemini 3.5 Flash-Lite and Gemini Omni 1.1 Flash?▼

Gemini 3.5 Flash-Lite supports 1,000,000 tokens while Gemini Omni 1.1 Flash supports 1,048,576 tokens — a difference of 48,576 tokens in favor of Gemini Omni 1.1 Flash.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, Gemini 3.5 Flash-Lite is the lower-cost option, while Gemini Omni 1.1 Flash offers a larger context window (1,048,576 vs 1,000,000 tokens). Choose Gemini 3.5 Flash-Lite for budget sensitivity or Gemini Omni 1.1 Flash for longer context tasks.

Which model has better overall pricing for heavy usage?▼

At 100 requests/day with 1,000 input and 500 output tokens each, Gemini 3.5 Flash-Lite costs about $4.65/month and Gemini Omni 1.1 Flash costs about $30.75/month. Overall, Gemini 3.5 Flash-Lite has lower combined input + output rates ($0.30 in, $2.50 out) vs Gemini Omni 1.1 Flash.