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Gemini 2.5 Flash Preview 05-20 Search vs Grok 4.5

Compare Gemini 2.5 Flash Preview 05-20 Search from Google and Grok 4.5 from Grok on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

GoogleGemini 2.5 Flash Preview 05-20 SearchGrokGrok 4.5
+ Add model · 2/4
Google logo
Gemini 2.5 Flash Preview 05-20 Search
Google · text, image, audio, video → text

Gemini-2.5 Flash Preview 05-20 Search integrates Google's official search functionality; the search feature will have an additional separate fee log directly integrated into the scoring deduction, with detailed logs not displayed. It will be fixed and displayed later. Only OpenAI-compatible formats are supported for invocation; Gemini SDK is not supported. For Gemini's native SDK, please set parameters directly using the official search parameters.

Input$0.30 /M
Output$2.50 /M
Details
Grok logo
Grok 4.5
Grok · text, image → text

Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.

Input$2.00 /M
Output$6.00 /M
Details

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Gemini 2.5 Flash Preview 05-20 Search
Grok 4.5
Input /M
$0.30
$2.00
Output /M
$2.50
$6.00
Cache read /M
$0.03
$0.50
Context length
1,048,576
500,000
Max output
65,536
500,000
Time to First Token
0.7 s
3.0 s
Throughput
54.6 tok/s
33.0 tok/s
Modalities
textimageaudiovideo
textimage
Supported Parameters
toolsfunction callingstructured outputslong context
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
-
July 2026

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

gemini-2.5-flash-preview-05-20-searchgrok-4.5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

gemini-2.5-flash-preview-05-20-searchgrok-4.5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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Cost calculator

Estimate your monthly bill for the same workload on each model.

Gemini 2.5 Flash Preview 05-20 Search
$55.49 /mo
Grok 4.5
$210 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: Gemini 2.5 Flash Preview 05-20 Search, Grok 4.5?

Gemini 2.5 Flash Preview 05-20 Search: $2.50/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

Gemini 2.5 Flash Preview 05-20 Search: 0.7s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

Gemini 2.5 Flash Preview 05-20 Search accepts 1,048,576 and Grok 4.5 accepts 500,000 input tokens. Maximum output per request is 65,536 tokens on Gemini 2.5 Flash Preview 05-20 Search and 500,000 tokens on Grok 4.5.

Which one generates tokens faster?

Gemini 2.5 Flash Preview 05-20 Search at 54.6 tok/s and Grok 4.5 at 33.0 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Gemini 2.5 Flash Preview 05-20 Search accepts text, image, audio and video input and supports tool calling, function calling, structured outputs and long context; Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.

Can I call Gemini 2.5 Flash Preview 05-20 Search and Grok 4.5 with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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