AI model comparison

Gemini 3.7 Flash vs Claude Sonnet 5

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

Gemini 3.7 Flash is a multimodal model from Google for fast agentic workflows, coding, and complex multi-step reasoning.

Input / 1M
$0.75
Output / 1M
$3.75
Context
1.05M

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work.

Input / 1M
$2
Output / 1M
$10
Context
1M

At a glance

Quick verdict

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

Lower price

google logo

Gemini 3.7 Flash

2.7x cheaper for a typical chat

Higher intelligence score

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Gemini 3.7 Flash

39.6 vs 38.2 on Artificial Analysis

Larger context window

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Gemini 3.7 Flash

1.05M vs 1M tokens

Newer release

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Gemini 3.7 Flash

Released August 13, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

google logoGemini 3.7 Flash39.6
anthropic logoClaude Sonnet 538.2

Coding index

google logoGemini 3.7 Flash71.5
anthropic logoClaude Sonnet 571.5

Agentic index

google logoGemini 3.7 FlashNot available
anthropic logoClaude Sonnet 543.6

Pricing

Gemini 3.7 Flash vs Claude Sonnet 5 API pricing

Per-token API rates. Cheaper option highlighted.

Metricgoogle logoGemini 3.7 Flashanthropic logoClaude Sonnet 5
Input tokensPer 1M tokens$0.75$2
Output tokensPer 1M tokens$3.75$10
Cached input (read)Per 1M tokens$0.08$0.20
Cache writePer 1M tokens$0.04$2.50
Web searchPer request$0.014$0.01

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 3.7 Flash$3.38
anthropic logoClaude Sonnet 5$9

Coding task

30K in, 4K out

google logoGemini 3.7 Flash$37.50$17.25 cached
anthropic logoClaude Sonnet 5$100$46 cached

Long document summary

150K in, 2K out

google logoGemini 3.7 Flash$120$18.75 cached
anthropic logoClaude Sonnet 5$320$50 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 3.7 Flashanthropic logoClaude Sonnet 5
Context window1.05M tokens1M tokens
Max output66K tokens128K tokens
Input typesAudio, File, Image, Text, VideoFile, Image, Text
Output typesTextText
Reasoning effort levelsHigh, Medium, LowMax, Extra high, High, Medium, Low
Default reasoning effortMediumHigh
Release dateAugust 13, 2026June 30, 2026

Features

Supported features

API features available for each model.

Metricgoogle logoGemini 3.7 Flashanthropic logoClaude Sonnet 5
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedNot supported
Stop sequencesSupportedSupported
Deterministic seedSupportedNot supported
Verbosity controlNot supportedSupported

Our take

Gemini 3.7 Flash is 2.7x cheaper for a typical chat. Gemini 3.7 Flash scores higher on the Artificial Analysis Intelligence Index (39.6 vs 38.2). Gemini 3.7 Flash has the larger context window (1.05M vs 1M 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 3.7 Flash or Claude Sonnet 5 cheaper?

Gemini 3.7 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). Gemini 3.7 Flash costs $0.75 per 1M input tokens and $3.75 per 1M output tokens, while Claude Sonnet 5 costs $2 per 1M input tokens and $10 per 1M output tokens.

Which has a bigger context window, Gemini 3.7 Flash or Claude Sonnet 5?

Gemini 3.7 Flash supports up to 1.05M tokens of context, compared with 1M for Claude Sonnet 5.

Is Gemini 3.7 Flash smarter than Claude Sonnet 5?

On the Artificial Analysis Intelligence Index, Gemini 3.7 Flash scores 39.6 and Claude Sonnet 5 scores 38.2, putting Gemini 3.7 Flash ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Gemini 3.7 Flash and Claude Sonnet 5 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Gemini 3.7 Flash and Claude Sonnet 5 answer side by side and keep the better response.

google logoanthropic logo

Why choose? Ask both.

Send one prompt to Gemini 3.7 Flash and Claude Sonnet 5 at the same time. Compare the answers side by side and keep the best one.