Models

Agnes 2.5 Pro vs Grok 4.5

Compare Agnes 2.5 Pro from Agnes 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.

AgnesAgnes 2.5 ProGrokGrok 4.5
Agnes logo
Agnes 2.5 Pro
Agnes · text, image → text

Agnes 2.5 Pro is Agnes AI’s paid inference model and the commercially stable version of the Agnes 2.5 Pro Alpha ranking model, suitable for advanced coding, scientific reasoning, long-context analysis, agent workflows, and multimodal understanding. The model is accessed via an OpenAI-compatible Chat Completions API.

Input$0.45 /M
Output$0.9 /M
Cache read$0.0038 /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 /M
Output$6 /M
Cache read$0.5 /M

Pricing & Specifications

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

Agnes 2.5 Pro
Grok 4.5
Input /M
$0.45
$2
Output /M
$0.9
$6
Cache read /M
$0.0038
$0.5
Context length
1,000,000
500,000
Max output
65,536
500,000
Time to First Token
0.8 s
3.5 s
Throughput
20.1 tok/s
26.5 tok/s
Modalities
textimage
textimage
Supported Parameters
thinking
thinkingtoolsfunction callingstructured outputslong context
API Formats
chat_completions · responses
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.

agnes-2.5-progrok-4.5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

agnes-2.5-progrok-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.

Agnes 2.5 Pro
$40.50 /mo
Grok 4.5
$210 /mo

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

FAQ

Which is cheaper: Agnes 2.5 Pro, Grok 4.5?

Agnes 2.5 Pro: $0.9/M output tokens; Grok 4.5: $6/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

Agnes 2.5 Pro: 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?

Agnes 2.5 Pro accepts 1,000,000 and Grok 4.5 accepts 500,000 input tokens. Maximum output per request is 65,536 tokens on Agnes 2.5 Pro and 500,000 tokens on Grok 4.5.

Which one generates tokens faster?

Grok 4.5 at 26.5 tok/s and Agnes 2.5 Pro at 20.1 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Agnes 2.5 Pro accepts text and image input and supports thinking; Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.

Can I call Agnes 2.5 Pro 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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