AI model comparison
Gemini 3.1 Flash Lite vs R1 0528
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Gemini 3.1 Flash Lite
Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads.
- Input / 1M
- $0.25
- Output / 1M
- $1.50
- Context
- 1.05M
DeepSeek
R1 0528
May 28th update to the [original DeepSeek R1](/deepseek/deepseek-r1) Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens.
- Input / 1M
- $0.50
- Output / 1M
- $2.15
- Context
- 164K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Gemini 3.1 Flash Lite
1.7x cheaper for a typical chat
Higher intelligence score
Gemini 3.1 Flash Lite
15.6 vs 13.1 on Artificial Analysis
Larger context window
Gemini 3.1 Flash Lite
1.05M vs 164K tokens
Newer release
Gemini 3.1 Flash Lite
Released May 7, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Gemini 3.1 Flash Lite15.6R1 052813.1Coding index
Gemini 3.1 Flash Lite34.7R1 0528Not availableAgentic index
Gemini 3.1 Flash Lite1.6R1 0528Not availablePricing
Gemini 3.1 Flash Lite vs R1 0528 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Gemini 3.1 Flash Lite | R1 0528 |
|---|---|---|
| Input tokensPer 1M tokens | $0.25 | $0.50 |
| Output tokensPer 1M tokens | $1.50 | $2.15 |
| Cached input (read)Per 1M tokens | $0.03 | $0.35 |
| Cache writePer 1M tokens | $0.08 | Not available |
| Web searchPer request | $0.014 | Not available |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Gemini 3.1 Flash Lite$1.25R1 0528$2.08Coding task
30K in, 4K out
Gemini 3.1 Flash Lite$13.50$6.75 cachedR1 0528$23.60$19.10 cachedLong document summary
150K in, 2K out
Gemini 3.1 Flash Lite$40.50$6.75 cachedR1 0528$79.30$56.80 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Gemini 3.1 Flash Lite | R1 0528 |
|---|---|---|
| Context window | 1.05M tokens | 164K tokens |
| Max output | 66K tokens | 33K tokens |
| Input types | Audio, File, Image, Text, Video | Text |
| Output types | Text | Text |
| Reasoning effort levels | High, Medium, Low, Minimal | Not available |
| Default reasoning effort | Minimal | Not available |
| Release date | May 7, 2026 | May 28, 2025 |
Features
Supported features
API features available for each model.
| Metric | Gemini 3.1 Flash Lite | R1 0528 |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Supported | Supported |
| Verbosity control | Not supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Gemini 3.1 Flash LiteView full model details- Gemini 3.1 Flash Lite vs Gemini 2.5 Flash
- Gemini 3.1 Flash Lite vs Gemma 4 31B
- Gemini 3.1 Flash Lite vs Gemma 4 26B A4B
- Gemini 3.1 Flash Lite vs Claude Haiku 4.5
- Gemini 3.1 Flash Lite vs Qwen3.6 35B A3B
- Gemini 3.1 Flash Lite vs Gemini 2.5 Pro
- Gemini 3.1 Flash Lite vs DeepSeek V3.1
- Gemini 3.1 Flash Lite vs Muse Glimmer 30B
- Gemini 3.1 Flash Lite vs GLM 4.6
- Gemini 3.1 Flash Lite vs GLM 4.7 Flash
- Gemini 3.1 Flash Lite vs DeepSeek V3.2 Exp
- Gemini 3.1 Flash Lite vs LongCat 2.0
- Gemini 3.1 Flash Lite vs Qwen3.5-122B-A10B
- Gemini 3.1 Flash Lite vs Kimi K2 0905
- Gemini 3.1 Flash Lite vs Mistral Medium 3.5
- Gemini 3.1 Flash Lite vs Step 3.5 Flash
- Gemini 3.1 Flash Lite vs DeepSeek V3.1 Terminus
- Gemini 3.1 Flash Lite vs o4 Mini
- Gemini 3.1 Flash Lite vs Mercury 2
- Gemini 3.1 Flash Lite vs Nova 2 Lite
- Gemini 3.1 Flash Lite vs GLM 4.5
- Gemini 3.1 Flash Lite vs Kimi K2 0711
- Gemini 3.1 Flash Lite vs MiniMax M1
R1 0528View full model details- R1 0528 vs Gemini 2.5 Flash
- R1 0528 vs Kimi K2 0905
- R1 0528 vs DeepSeek V3.1 Terminus
- R1 0528 vs DeepSeek V3.1
- R1 0528 vs Nova 2 Lite
- R1 0528 vs Command A
- R1 0528 vs GLM 4.5
- R1 0528 vs Kimi K2 0711
- R1 0528 vs Qwen3 235B A22B Thinking 2507
- R1 0528 vs o3 Mini
- R1 0528 vs MiniMax M1
- R1 0528 vs R1
- R1 0528 vs DeepSeek V3 0324
Our take
Gemini 3.1 Flash Lite is 1.7x cheaper for a typical chat. Gemini 3.1 Flash Lite scores higher on the Artificial Analysis Intelligence Index (15.6 vs 13.1). Gemini 3.1 Flash Lite has the larger context window (1.05M vs 164K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Gemini 3.1 Flash Lite or R1 0528 cheaper?
Gemini 3.1 Flash Lite is cheaper for a typical chat (2K input tokens and 500 output tokens). Gemini 3.1 Flash Lite costs $0.25 per 1M input tokens and $1.50 per 1M output tokens, while R1 0528 costs $0.50 per 1M input tokens and $2.15 per 1M output tokens.
Which has a bigger context window, Gemini 3.1 Flash Lite or R1 0528?
Gemini 3.1 Flash Lite supports up to 1.05M tokens of context, compared with 164K for R1 0528.
Is Gemini 3.1 Flash Lite smarter than R1 0528?
On the Artificial Analysis Intelligence Index, Gemini 3.1 Flash Lite scores 15.6 and R1 0528 scores 13.1, putting Gemini 3.1 Flash Lite ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Gemini 3.1 Flash Lite and R1 0528 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Gemini 3.1 Flash Lite and R1 0528 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Gemini 3.1 Flash Lite and R1 0528 at the same time. Compare the answers side by side and keep the best one.