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Flint V1.0 (free) vs Grok 4.5

Compare Flint V1.0 (free) from Recursive 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.

RecursiveFlint V1.0 (free)GrokGrok 4.5
Recursive logo
Flint V1.0 (free)
Recursive · text → text

Flint is an open-weight mixture-of-experts model developed by Recursive for coding agents, featuring an expansive context length of 262,144 tokens. Built by Recursive's autoresearch system Eureka Machine, it operates with approximately 2.5B active parameters out of 40B total parameters. This model offers an efficient and powerful solution tailored for complex development workflows and agentic tasks.

Input$0 /M
Output$0 /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.

Flint V1.0 (free)
Grok 4.5
Input /M
$0
$2
Output /M
$0
$6
Cache read /M
-
$0.5
Context length
0
500,000
Max output
0
500,000
Time to First Token
-
2.7 s
Throughput
-
39.5 tok/s
Modalities
text
textimage
Supported Parameters
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.

flint-v1.0-freegrok-4.5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

flint-v1.0-freegrok-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.

Flint V1.0 (free)
$0.00 /mo
Grok 4.5
$210 /mo

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

FAQ

What inputs and capabilities does each model support?

Flint V1.0 (free) accepts text input; Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.

Can I call Flint V1.0 (free) 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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