Gemini 3.8 Live vs o4-mini
Pricing verdict: Gemini 3.8 Live vs o4-mini: Gemini 3.8 Live is cheaper for input-heavy usage ($0.75/M vs $1.10/M input tokens), while o4-mini is better for long-context tasks (2,000,000 tokens).
Direct answer: choose Gemini 3.8 Live for lower token spend and choose o4-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.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Gemini 3.8 Live
o4-mini
Cost Differences
o4-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 o4-mini.
Feature Comparison
| Feature | Gemini 3.8 Live | o4-mini |
|---|---|---|
| Provider | 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 | 2,000,000 tokens |
| Max Output | 65,536 tokens | 131,072 tokens |
| Category | balanced | reasoning |
| Capabilities | textvisionaudiovideoreasoningstreaming | textreasoningcode |
| Release Date | 9/15/2026 | 4/16/2025 |
Gemini 3.8 Live vs o4-mini: Which Should You Choose?
Choosing between Gemini 3.8 Live and o4-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 o4-mini. Meanwhile, o4-mini offers a significantly larger context window at 2,000,000 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 o4-mini is reasoning. This means they're optimized for different workloads. o4-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 o4-mini. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. o4-mini has the edge here at $4.40/1M output tokens.
Multimodal capabilities: Gemini 3.8 Live supports vision (image inputs) while o4-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 o4-mini when:
- • You need a larger context window (2,000,000 tokens)
- • You need longer outputs (up to 131,072 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 o4-mini
- • Smaller context window than o4-mini
o4-mini
- • Input pricing: $1.10/M tokens
- • Output pricing: $4.40/M tokens
- • Context window: 2,000,000 tokens
- • Max output: 131,072 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)
o4-mini (OpenAI)
Start using Gemini 3.8 Live today
Sign Up for Google →Start using o4-mini today
Sign Up for OpenAI →Frequently Asked Questions
Which is cheaper, Gemini 3.8 Live or o4-mini?▼
What is the context window difference between Gemini 3.8 Live and o4-mini?▼
Which model is better for AI Chatbot?▼
Which model has better overall pricing for heavy usage?▼
Where can I compare Google and OpenAI API pricing beyond this model matchup?▼
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