AI model comparison

Gemini 3.1 Flash Lite vs DeepSeek V4 Pro 0423

Side by side comparison of Gemini 3.1 Flash Lite and DeepSeek V4 Pro 0423 on pricing, benchmark scores, context window, and more.

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 V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window.

Input / 1M
$0.89
Output / 1M
$1.78
Context
1.05M

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At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

google logo

Gemini 3.1 Flash Lite

2.1x cheaper for a typical chat

Higher intelligence score

Not available

Not enough benchmark data

Larger context window

Tie

1.05M vs 1.05M tokens

Newer release

google logo

Gemini 3.1 Flash Lite

Released May 7, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

google logoGemini 3.1 Flash LiteNot available
deepseek logoDeepSeek V4 Pro 0423Not available

Coding index

google logoGemini 3.1 Flash Lite34.7
deepseek logoDeepSeek V4 Pro 042359.4

Agentic index

google logoGemini 3.1 Flash Lite1.6
deepseek logoDeepSeek V4 Pro 042326.3

Pricing

Gemini 3.1 Flash Lite vs DeepSeek V4 Pro 0423 API pricing

Per-token API rates. Cheaper option highlighted.

Metricgoogle logoGemini 3.1 Flash Litedeepseek logoDeepSeek V4 Pro 0423
Input tokensPer 1M tokens$0.25$0.89
Output tokensPer 1M tokens$1.50$1.78
Cached input (read)Per 1M tokens$0.03$0.07
Cache writePer 1M tokens$0.08Not available
Web searchPer request$0.014Not 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

google logoGemini 3.1 Flash Lite$1.25
deepseek logoDeepSeek V4 Pro 0423$2.67

Coding task

30K in, 4K out

google logoGemini 3.1 Flash Lite$13.50$6.75 cached
deepseek logoDeepSeek V4 Pro 0423$33.78$9.33 cached

Long document summary

150K in, 2K out

google logoGemini 3.1 Flash Lite$40.50$6.75 cached
deepseek logoDeepSeek V4 Pro 0423$136.90$14.67 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricgoogle logoGemini 3.1 Flash Litedeepseek logoDeepSeek V4 Pro 0423
Context window1.05M tokens1.05M tokens
Max output66K tokens384K tokens
Input typesAudio, File, Image, Text, VideoText
Output typesTextText
Reasoning effort levelsHigh, Medium, Low, Minimal, NoneExtra high, High, None
Default reasoning effortMinimalHigh
Release dateMay 7, 2026April 24, 2026

Features

Supported features

API features available for each model.

Metricgoogle logoGemini 3.1 Flash Litedeepseek logoDeepSeek V4 Pro 0423
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

Gemini 3.1 Flash Lite is 2.1x cheaper for a typical chat. 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 DeepSeek V4 Pro 0423 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 DeepSeek V4 Pro 0423 costs $0.89 per 1M input tokens and $1.78 per 1M output tokens.

Which has a bigger context window, Gemini 3.1 Flash Lite or DeepSeek V4 Pro 0423?

Gemini 3.1 Flash Lite supports up to 1.05M tokens of context, compared with 1.05M for DeepSeek V4 Pro 0423.

Can I use Gemini 3.1 Flash Lite and DeepSeek V4 Pro 0423 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 DeepSeek V4 Pro 0423 answer side by side and keep the better response.

google logodeepseek logo

Why choose? Ask both.

Send one prompt to Gemini 3.1 Flash Lite and DeepSeek V4 Pro 0423 at the same time. Compare the answers side by side and keep the best one.