Models

gemini-2.5-flash-lite-preview-09-2025-nothink vs Grok 4.5

Output tokens cost $0.40 per million on gemini-2.5-flash-lite-preview-09-2025-nothink and $6.00 per million on Grok 4.5. Input tokens cost $0.10 per million on gemini-2.5-flash-lite-preview-09-2025-nothink and $2.00 per million on Grok 4.5. Cached input tokens are billed at $0.01 per million on gemini-2.5-flash-lite-preview-09-2025-nothink and $0.50 per million on Grok 4.5. Context lengths are 1,048,576 tokens on gemini-2.5-flash-lite-preview-09-2025-nothink and 500,000 tokens on Grok 4.5. Time to first token (TTFT) measured on AIHubMix is 0.8s on gemini-2.5-flash-lite-preview-09-2025-nothink and 1.7s on Grok 4.5. Measured output throughput is 204.8 tok/s on gemini-2.5-flash-lite-preview-09-2025-nothink and 25.4 tok/s on Grok 4.5.

Googlegemini-2.5-flash-lite-preview-09-2025-nothinkGrokGrok 4.5
Google logo
gemini-2.5-flash-lite-preview-09-2025-nothink
Google · text, image, audio, video → text

gemini-2.5-flash-lite latest preview version

Input$0.10 /M
Output$0.40 /M
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

Pricing & Specifications

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

gemini-2.5-flash-lite-preview-09-2025-nothink
Grok 4.5
Input /M
$0.10
$2.00
Output /M
$0.40
$6.00
Cache read /M
$0.01
$0.50
Context length
1,048,576
500,000
Max output
65,536
500,000
Time to First Token
0.8 s
1.7 s
Throughput
204.8 tok/s
25.4 tok/s
Modalities
textimageaudiovideo
textimage
Supported Parameters
toolsfunction callingstructured outputs
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
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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-lite-preview-09-2025-nothinkgrok-4.5

Tokens / day

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Requests / day

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Performance Past 3 Days

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

gemini-2.5-flash-lite-preview-09-2025-nothinkgrok-4.5

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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Cost calculator

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

gemini-2.5-flash-lite-preview-09-2025-nothink
$12.00 /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-lite-preview-09-2025-nothink, Grok 4.5?

gemini-2.5-flash-lite-preview-09-2025-nothink: $0.40/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-lite-preview-09-2025-nothink: 0.8s 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-lite-preview-09-2025-nothink 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-lite-preview-09-2025-nothink and 500,000 tokens on Grok 4.5.

Which one generates tokens faster?

gemini-2.5-flash-lite-preview-09-2025-nothink at 204.8 tok/s and Grok 4.5 at 25.4 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-lite-preview-09-2025-nothink accepts text, image, audio and video input and supports tool calling, function calling and structured outputs; 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-lite-preview-09-2025-nothink 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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