Gemini 3.8 Live vs o3-mini

Pricing verdict: Gemini 3.8 Live vs o3-mini: Gemini 3.8 Live is cheaper for input-heavy usage ($0.75/M vs $1.10/M input tokens), while o3-mini is better for long-context tasks (500,000 tokens).

Direct answer: choose Gemini 3.8 Live for lower token spend and choose o3-mini 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 3.8 Live

OpenAI

o3-mini

Try Google →Try OpenAI →

Gemini 3.8 Live pricing page o3-mini pricing page Google provider overview OpenAI provider overview

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

Gemini 3.8 Live

Per Request:$0.003000

Daily:$0.30

Monthly:$9.00

Yearly:$109.50

o3-mini

Per Request:$0.003300

Daily:$0.33

Monthly:$9.90

Yearly:$120.45

Cost Differences

+$0.000300

Per Request

+$0.03

Daily

+$0.90

Monthly

+$10.95

Yearly

o3-mini costs more than Gemini 3.8 Live

Quick Recommendation

Winner for direct API pricing: Gemini 3.8 Live. At the default workload, Gemini 3.8 Live saves about $0.90/month ($10.95/year) versus o3-mini.

Gemini 3.8 Live full pricing breakdown o3-mini full pricing breakdown Google API pricing details OpenAI API pricing details Google vs OpenAI API pricing GPT-6 Astra vs o4-mini Deep Research GPT-6 Astra vs o3 Deep Research

Feature Comparison

Feature	Gemini 3.8 Live	o3-mini
Provider	Google	OpenAI
Input Price	$0.75/1M tokens	$1.10/1M tokens
Output Price	$4.50/1M tokens	$4.40/1M tokens
Context Window	131,072 tokens	500,000 tokens
Max Output	65,536 tokens	65,536 tokens
Category	balanced	reasoning
Capabilities	textvisionaudiovideoreasoningstreaming	textreasoningcode
Release Date	9/15/2026	1/31/2025

Gemini 3.8 Live vs o3-mini: Which Should You Choose?

Choosing between Gemini 3.8 Live and o3-mini depends on your priorities: cost efficiency, context length, or raw capability. Gemini 3.8 Live is the more affordable option at $0.75/1M input tokens — 32% cheaper than o3-mini. Meanwhile, o3-mini offers a significantly larger context window at 500,000 tokens vs 131,072 for Gemini 3.8 Live.

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 3.8 Live is a balanced model while o3-mini is reasoning. This means they're optimized for different workloads. o3-mini targets more demanding workloads, while Gemini 3.8 Live provides a cost-effective option for everyday tasks.

Output costs matter too. Gemini 3.8 Live charges $4.50/1M output tokens vs $4.40 for o3-mini. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. o3-mini has the edge here at $4.40/1M output tokens.

Multimodal capabilities: Gemini 3.8 Live supports vision (image inputs) while o3-mini is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose Gemini 3.8 Live when:

• Budget is a primary concern
• You need more capabilities (vision, audio, video, streaming)
• You're already using Google's API ecosystem

Choose o3-mini when:

• You need a larger context window (500,000 tokens)
• You're already using OpenAI's API ecosystem

Pros and Caveats at a Glance

Gemini 3.8 Live

• Input pricing: $0.75/M tokens
• Output pricing: $4.50/M tokens
• Context window: 131,072 tokens
• Max output: 65,536 tokens

Watch out for

• Higher output cost than o3-mini
• Smaller context window than o3-mini

o3-mini

• Input pricing: $1.10/M tokens
• Output pricing: $4.40/M tokens
• Context window: 500,000 tokens
• Max output: 65,536 tokens

Watch out for

• Higher input cost than Gemini 3.8 Live

Try Different Scenarios

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

Gemini 3.8 Live (Google)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

Select a provider and model to see costs

o3-mini (OpenAI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

Select a provider and model to see costs

Start using Gemini 3.8 Live today

Start using o3-mini today

Frequently Asked Questions

Which is cheaper, Gemini 3.8 Live or o3-mini?▼

Gemini 3.8 Live is cheaper for input tokens at $0.75 per million tokens vs $1.10 for o3-mini — that's 32% savings on input costs.

What is the context window difference between Gemini 3.8 Live and o3-mini?▼

Gemini 3.8 Live supports 131,072 tokens while o3-mini supports 500,000 tokens — a difference of 368,928 tokens in favor of o3-mini.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, Gemini 3.8 Live is the lower-cost option, while o3-mini offers a larger context window (500,000 vs 131,072 tokens). Choose Gemini 3.8 Live for budget sensitivity or o3-mini 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 3.8 Live costs about $9.00/month and o3-mini costs about $9.90/month. Overall, Gemini 3.8 Live has lower combined input + output rates ($0.75 in, $4.50 out) vs o3-mini.

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.