Gemini 3.5 Flash vs Gemini 3.5 Flash-Lite
Gemini 3.5 Flash (2026) and Gemini 3.5 Flash-Lite (2026) are frontier-tier reasoning models from Google DeepMind. Gemini 3.5 Flash ships a 1.05m-token context window, while Gemini 3.5 Flash-Lite ships a 1.05m-token context window. On pricing, Gemini 3.5 Flash-Lite costs $0.30/1M input tokens versus $1.50/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Gemini 3.5 Flash-Lite is ~400% cheaper at $0.30/1M; pay for Gemini 3.5 Flash only for coding workflow support.
Decision scorecard
Local evidence first| Signal | Gemini 3.5 Flash | Gemini 3.5 Flash-Lite |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | Coding, RAG, and Agents |
| Context window | 1.05m | 1.05m |
| Cheapest output | $9/1M tokens | $2.50/1M tokens |
| Provider routes | 4 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Gemini 3.5 Flash has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Gemini 3.5 Flash for Coding, RAG, and Agents.
- Gemini 3.5 Flash-Lite has the lower cheapest tracked output price at $2.50/1M tokens.
- Local decision data tags Gemini 3.5 Flash-Lite for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Gemini 3.5 Flash
$3,450
Cheapest tracked route/tier: Google AI Studio
Gemini 3.5 Flash-Lite
$865
Cheapest tracked route/tier: Google AI Studio
Estimated monthly gap: $2,585. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on Google AI Studio; start route-level A/B tests there.
- Gemini 3.5 Flash-Lite is $6.50/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Provider overlap exists on Google AI Studio; start route-level A/B tests there.
- Gemini 3.5 Flash is $6.50/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-05-19 | 2026-07-21 |
| Context window | 1.05m | 1.05m |
| Parameters | — | — |
| Architecture | Decoder Only | - |
| License | Proprietary | Proprietary |
| Openness | Proprietary | Proprietary |
| Weights | Not released | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | 2025-01 | - |
Pricing and availability
| Pricing attribute | Gemini 3.5 Flash | Gemini 3.5 Flash-Lite |
|---|---|---|
| Input price | $1.50/1M tokens | $0.30/1M tokens |
| Output price | $9/1M tokens | $2.50/1M tokens |
| Providers |
Capabilities
| Capability | Gemini 3.5 Flash | Gemini 3.5 Flash-Lite |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | Yes |
| JSON / Tool use | Yes | Yes |
| Structured outputs | Yes | Yes |
| Code execution | Yes | Yes |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
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Last reviewed: 2026-07-21. Data sourced from public model cards and provider documentation.