Gemini 3.1 Flash-Lite Preview vs Gemini Omni 1.1 Flash
Pricing verdict: Gemini 3.1 Flash-Lite Preview vs Gemini Omni 1.1 Flash: Gemini 3.1 Flash-Lite Preview is cheaper for input-heavy usage ($0.25/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 3.1 Flash-Lite Preview 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.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Gemini 3.1 Flash-Lite Preview
Gemini Omni 1.1 Flash
Cost Differences
Gemini Omni 1.1 Flash costs more than Gemini 3.1 Flash-Lite Preview
Quick Recommendation
Winner for direct API pricing: Gemini 3.1 Flash-Lite Preview. At the default workload, Gemini 3.1 Flash-Lite Preview saves about $27.75/month ($337.625/year) versus Gemini Omni 1.1 Flash.
Feature Comparison
| Feature | Gemini 3.1 Flash-Lite Preview | Gemini Omni 1.1 Flash |
|---|---|---|
| Provider | ||
| Input Price | $0.25/1M tokens | $1.50/1M tokens |
| Output Price | $1.50/1M tokens | $17.50/1M tokens |
| Context Window | 1,000,000 tokens | 1,048,576 tokens |
| Max Output | 8,192 tokens | 57,920 tokens |
| Category | efficient | flagship |
| Capabilities | textvisioncode | textvisionaudiovideo |
| Release Date | 3/3/2026 | 8/27/2026 |
Gemini 3.1 Flash-Lite Preview vs Gemini Omni 1.1 Flash: Which Should You Choose?
Choosing between Gemini 3.1 Flash-Lite Preview and Gemini Omni 1.1 Flash depends on your priorities: cost efficiency, context length, or raw capability. Gemini 3.1 Flash-Lite Preview is the more affordable option at $0.25/1M input tokens — 83% 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 3.1 Flash-Lite Preview.
These models target different tiers: Gemini 3.1 Flash-Lite Preview 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 3.1 Flash-Lite Preview provides a cost-effective option for everyday tasks.
Output costs matter too. Gemini 3.1 Flash-Lite Preview charges $1.50/1M 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 3.1 Flash-Lite Preview has the edge here at $1.50/1M 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 3.1 Flash-Lite Preview when:
- • Budget is a primary concern
- • 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 need more capabilities (audio, video)
- • You need longer outputs (up to 57,920 tokens)
- • You're already using Google's API ecosystem
Pros and Caveats at a Glance
Gemini 3.1 Flash-Lite Preview
- • Input pricing: $0.25/M tokens
- • Output pricing: $1.50/M tokens
- • Context window: 1,000,000 tokens
- • Max output: 8,192 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 3.1 Flash-Lite Preview
- • Higher output cost than Gemini 3.1 Flash-Lite Preview
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
Gemini 3.1 Flash-Lite Preview (Google)
Gemini Omni 1.1 Flash (Google)
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What is the context window difference between Gemini 3.1 Flash-Lite Preview and Gemini Omni 1.1 Flash?▼
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