Gemini Omni 1.1 Flash vs o1

Pricing verdict: Gemini Omni 1.1 Flash vs o1: Gemini Omni 1.1 Flash is cheaper for input-heavy usage ($1.50/M vs $15.00/M input tokens), while Gemini Omni 1.1 Flash is better for long-context tasks (1,048,576 tokens).

Direct answer: choose Gemini Omni 1.1 Flash 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 Omni 1.1 Flash

OpenAI

Try Google →Try OpenAI →

Gemini Omni 1.1 Flash pricing page o1 pricing page Google provider overview OpenAI provider overview

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

Gemini Omni 1.1 Flash

Per Request:$0.01025

Daily:$1.025

Monthly:$30.75

Yearly:$374.125

o1

Per Request:$0.045

Daily:$4.50

Monthly:$135.00

Yearly:$1,642.50

Cost Differences

+$0.03475

Per Request

+$3.475

Daily

+$104.25

Monthly

+$1,268.375

Yearly

o1 costs more than Gemini Omni 1.1 Flash

Quick Recommendation

Winner for direct API pricing: Gemini Omni 1.1 Flash. At the default workload, Gemini Omni 1.1 Flash saves about $104.25/month ($1,268.375/year) versus o1.

Gemini Omni 1.1 Flash full pricing breakdown o1 full pricing breakdown Google API pricing details OpenAI API pricing details Google vs OpenAI API pricing GPT-6 Astra vs Codex Mini GPT-6 Astra vs o4-mini Deep Research

Feature Comparison

Feature	Gemini Omni 1.1 Flash	o1
Provider	Google	OpenAI
Input Price	$1.50/1M tokens	$15.00/1M tokens
Output Price	$17.50/1M tokens	$60.00/1M tokens
Context Window	1,048,576 tokens	200,000 tokens
Max Output	57,920 tokens	65,536 tokens
Category	flagship	reasoning
Capabilities	textvisionaudiovideo	textreasoning
Release Date	8/27/2026	9/12/2024

Gemini Omni 1.1 Flash vs o1: Which Should You Choose?

Choosing between Gemini Omni 1.1 Flash and o1 depends on your priorities: cost efficiency, context length, or raw capability. Gemini Omni 1.1 Flash is the more affordable option at $1.50/1M input tokens — 90% cheaper than o1. Meanwhile, Gemini Omni 1.1 Flash offers a significantly larger context window at 1,048,576 tokens vs 200,000 for o1.

These models come from different providers — Google and OpenAI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with Google, switching to OpenAIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

These models target different tiers: Gemini Omni 1.1 Flash is a flagship model while o1 is reasoning. This means they're optimized for different workloads. Gemini Omni 1.1 Flash is built for complex tasks that require deeper reasoning, while o1 offers better value for routine operations.

Output costs matter too. Gemini Omni 1.1 Flash charges $17.50/1M output tokens vs $60.00 for o1. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Gemini Omni 1.1 Flash has the edge here at $17.50/1M output tokens.

Multimodal capabilities: Gemini Omni 1.1 Flash supports vision (image inputs) while o1 is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose Gemini Omni 1.1 Flash when:

• Budget is a primary concern
• You need a larger context window (1,048,576 tokens)
• You need more capabilities (vision, audio, video)
• You're already using Google's API ecosystem

Choose o1 when:

• You need longer outputs (up to 65,536 tokens)
• You're already using OpenAI's API ecosystem

Pros and Caveats at a Glance

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

• Trade-offs are minor in this matchup.

o1

• Input pricing: $15.00/M tokens
• Output pricing: $60.00/M tokens
• Context window: 200,000 tokens
• Max output: 65,536 tokens

Watch out for

• Higher input cost than Gemini Omni 1.1 Flash
• Higher output cost than Gemini Omni 1.1 Flash
• Smaller context window than Gemini Omni 1.1 Flash

Try Different Scenarios

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

Gemini Omni 1.1 Flash (Google)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

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o1 (OpenAI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

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Start using Gemini Omni 1.1 Flash today

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Frequently Asked Questions

Which is cheaper, Gemini Omni 1.1 Flash or o1?▼

Gemini Omni 1.1 Flash is cheaper for input tokens at $1.50 per million tokens vs $15.00 for o1 — that's 90% savings on input costs.

What is the context window difference between Gemini Omni 1.1 Flash and o1?▼

Gemini Omni 1.1 Flash supports 1,048,576 tokens while o1 supports 200,000 tokens — a difference of 848,576 tokens in favor of Gemini Omni 1.1 Flash.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, Gemini Omni 1.1 Flash is the lower-cost option, while Gemini Omni 1.1 Flash offers a larger context window (1,048,576 vs 200,000 tokens). Choose Gemini Omni 1.1 Flash 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 Omni 1.1 Flash costs about $30.75/month and o1 costs about $135.00/month. Overall, Gemini Omni 1.1 Flash has lower combined input + output rates ($1.50 in, $17.50 out) vs o1.

Where can I compare Google and OpenAI API pricing beyond this model matchup?▼

See the Google vs OpenAI provider comparison page for lineup-level averages, then review each model page for exact per-token rates.