Gemini 3.5 Flash vs Gemini 3.8 Live
Pricing verdict: Gemini 3.5 Flash vs Gemini 3.8 Live: Gemini 3.8 Live is cheaper for input-heavy usage ($0.75/M vs $1.50/M input tokens), while Gemini 3.5 Flash is better for long-context tasks (1,000,000 tokens).
Direct answer: choose Gemini 3.8 Live for lower token spend and choose Gemini 3.5 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 3.5 Flash
Gemini 3.8 Live
Cost Differences
Gemini 3.8 Live costs less than Gemini 3.5 Flash
Quick Recommendation
Winner for direct API pricing: Gemini 3.8 Live. At the default workload, Gemini 3.8 Live saves about $9.00/month ($109.50/year) versus Gemini 3.5 Flash.
Feature Comparison
| Feature | Gemini 3.5 Flash | Gemini 3.8 Live |
|---|---|---|
| Provider | ||
| Input Price | $1.50/1M tokens | $0.75/1M tokens |
| Output Price | $9.00/1M tokens | $4.50/1M tokens |
| Context Window | 1,000,000 tokens | 131,072 tokens |
| Max Output | 65,536 tokens | 65,536 tokens |
| Category | flagship | balanced |
| Capabilities | textvisionaudiovideocodereasoning | textvisionaudiovideoreasoningstreaming |
| Release Date | 5/19/2026 | 9/15/2026 |
Gemini 3.5 Flash vs Gemini 3.8 Live: Which Should You Choose?
Choosing between Gemini 3.5 Flash and Gemini 3.8 Live 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 — 50% cheaper than Gemini 3.5 Flash. Meanwhile, Gemini 3.5 Flash offers a significantly larger context window at 1,000,000 tokens vs 131,072 for Gemini 3.8 Live.
These models target different tiers: Gemini 3.5 Flash is a flagship model while Gemini 3.8 Live is balanced. This means they're optimized for different workloads. Gemini 3.5 Flash is built for complex tasks that require deeper reasoning, while Gemini 3.8 Live offers better value for routine operations.
Output costs matter too. Gemini 3.5 Flash charges $9.00/1M output tokens vs $4.50 for Gemini 3.8 Live. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Gemini 3.8 Live has the edge here at $4.50/1M 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 when:
- • You need a larger context window (1,000,000 tokens)
- • You're already using Google's API ecosystem
Choose Gemini 3.8 Live when:
- • Budget is a primary concern
- • You're already using Google's API ecosystem
Pros and Caveats at a Glance
Gemini 3.5 Flash
- • Input pricing: $1.50/M tokens
- • Output pricing: $9.00/M tokens
- • Context window: 1,000,000 tokens
- • Max output: 65,536 tokens
Watch out for
- • Higher input cost than Gemini 3.8 Live
- • Higher output cost than Gemini 3.8 Live
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
- • Smaller context window than Gemini 3.5 Flash
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
Gemini 3.5 Flash (Google)
Gemini 3.8 Live (Google)
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Which is cheaper, Gemini 3.5 Flash or Gemini 3.8 Live?▼
What is the context window difference between Gemini 3.5 Flash and Gemini 3.8 Live?▼
Which model is better for AI Chatbot?▼
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