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grok-2-vision-1212 vs grok-4

Output tokens cost $9.00 per million on grok-2-vision-1212 and $16.50 per million on grok-4. Input tokens cost $1.80 per million on grok-2-vision-1212 and $3.30 per million on grok-4. Cached input tokens are billed at $1.80 per million on grok-2-vision-1212 and $0.83 per million on grok-4. On the LMArena coding leaderboard grok-2-vision-1212 scores 1359 and grok-4 scores 1436.

Grokgrok-2-vision-1212Grokgrok-4
+ Add model · 2/4
Grok logo
grok-2-vision-1212
Grok · text, image → text

grok-2-vision-1212 is the latest vision model in the Grok family, delivering outstanding performance on vision-based tasks and achieving state-of-the-art results in visual mathematical reasoning and document-based question answering. It supports a wide range of visual inputs, including documents, charts, screenshots, and real-world images, making it well-suited for advanced visual understanding and reasoning use cases. The price of calling this model in AIhubMix is ​​10% lower than on the official website.

Input$1.80 /M
Output$9.00 /M
Details
Grok logo
grok-4
Grok · text, image → text

Grok, their latest and greatest flagship model, offers unparalleled performance in natural language, math, and reasoning – the perfect jack of all trades. The current pointing model version is grok-4-0709.

Input$3.30 /M
Output$16.50 /M
Details

Pricing & Specifications

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

grok-2-vision-1212
grok-4
Input /M
$1.80
$3.30
Output /M
$9.00
$16.50
Cache read /M
$1.80
$0.83
Context length
0
256,000
Max output
0
64,000
Time to First Token
-
2.7 s
Throughput
-
54.5 tok/s
Modalities
textimage
textimage
Supported Parameters
function callingstructured outputsthinking
API Formats

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.

grok-2-vision-1212grok-4

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

grok-2-vision-1212grok-4

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
grok-2-vision-1212grok-4
1260132013801440
Overall
13351410
Coding
13591436
Math
12941428
Hard prompts
13261420
Instruction following
13121397
Multi-turn
13241412
Creative writing
13171397
Longer query
13351417
Chinese
13411434
English
13461419

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

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

grok-2-vision-1212
$243 /mo
grok-4
$446 /mo

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

FAQ

Which is cheaper: grok-2-vision-1212, grok-4?

grok-2-vision-1212: $9.00/M output tokens; grok-4: $16.50/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

grok-4: 1436; grok-2-vision-1212: 1359 (LMArena coding leaderboard).

What inputs and capabilities does each model support?

grok-2-vision-1212 accepts text and image input; grok-4 accepts text and image input and supports function calling, structured outputs and thinking.

Can I call grok-2-vision-1212 and grok-4 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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