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.
grok-2-vision-1212 vs grok-4-1-fast-reasoning
Output tokens cost $9.00 per million on grok-2-vision-1212 and $0.50 per million on grok-4-1-fast-reasoning. Input tokens cost $1.80 per million on grok-2-vision-1212 and $0.20 per million on grok-4-1-fast-reasoning. Cached input tokens are billed at $1.80 per million on grok-2-vision-1212 and $0.05 per million on grok-4-1-fast-reasoning. On the LMArena coding leaderboard grok-2-vision-1212 scores 1359 and grok-4-1-fast-reasoning scores 1461.
Grok 4.1 is a new conversational model with significant improvements in real-world usability, delivering exceptional performance in creative, emotional, and collaborative interactions. It is more perceptive to nuanced user intent, more engaging to converse with, and more coherent in personality, while fully preserving its core intelligence and reliability. Built on large-scale reinforcement learning infrastructure, the model is optimized for style, personality, helpfulness, and alignment, and leverages frontier agentic reasoning models as reward evaluators to autonomously assess and iterate on responses at scale, significantly enhancing overall interaction quality.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
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.
Tokens / day
Requests / day
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Throughput (tok/s)
TTFT (s)
Uptime (%)
LMArena Benchmarks
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
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.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: grok-2-vision-1212, grok-4-1-fast-reasoning?
grok-4-1-fast-reasoning: $0.50/M output tokens; grok-2-vision-1212: $9.00/M. Use the cost calculator above to estimate your own workload.
How do their coding arena scores compare?
grok-4-1-fast-reasoning: 1461; 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-4-1-fast-reasoning accepts text and image input and supports thinking, tool calling, function calling and structured outputs.
Can I call grok-2-vision-1212 and grok-4-1-fast-reasoning 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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