Which model is better: xAI Grok 4.6 or o3-mini?

o3-mini is 45.0% cheaper for input tokens ($1.10 vs. $2.00 per 1M tokens) and $4.40 vs. $6.00 for output tokens (1.8x cost difference). In terms of operational performance, xAI Grok 4.6 delivers faster response latency with 280ms TTFT (920ms faster than o3-mini). xAI Grok 4.6 leads coding benchmarks at 76.8% SWE-bench vs. 49.3% for o3-mini.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta

Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.

Metric / Dimension xAI Grok 4.6 o3-mini Net Delta / Advantage
Input Cost / 1M Tokens $2.00 $1.10 o3-mini is 1.8x cheaper
Output Cost / 1M Tokens $6.00 $4.40 o3-mini (36.4% lower)
Avg TTFT Response Latency 280ms 1200ms xAI Grok 4.6 (+920ms faster)
SWE-bench Verified (Coding) 76.8% 49.3% xAI Grok 4.6 (+27.5% lead)
Inference Value Score (IVR) 74.6 / 100 77 / 100 o3-mini (+2.4 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model your expected production workload across prompt (input) and completion (output) tokens.

Live Calculation Engine
10.0M Tokens
100K 50M 250M 500M+
2.5M Tokens
100K 10M 50M 100M+

Estimated Monthly Spend

xAI Grok 4.6 $5.45

$2/1M in · $6/1M out

o3-mini $67.50

$1.1/1M in · $4.4/1M out

Projected Monthly Cost Reduction
$62.05 / mo
(91.9% lower cost)
A

When to Choose xAI Grok 4.6

Choose xAI Grok 4.6 when you need Frontier real-time web & social intelligence, complex STEM proofs, competitive coding, and deep factual synthesis. and have an infrastructure budget aligned with $2.00/1M tokens.

B

When to Choose o3-mini

Choose o3-mini when you need Cost-efficient STEM reasoning, high-throughput math problem-solving, and structured code synthesis. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.

Related Questions & Decision Factors

Which is cheaper: xAI Grok 4.6 or o3-mini?

o3-mini is cheaper at $1.10/1M input tokens compared to $2.00/1M for xAI Grok 4.6.

Which model has lower latency: xAI Grok 4.6 or o3-mini?

xAI Grok 4.6 delivers faster response times with an average TTFT of 280ms vs 1200ms for o3-mini.

When should you choose xAI Grok 4.6?

Choose xAI Grok 4.6 when you need Frontier real-time web & social intelligence, complex STEM proofs, competitive coding, and deep factual synthesis. and have an infrastructure budget aligned with $2.00/1M tokens.

When should you choose o3-mini?

Choose o3-mini when you need Cost-efficient STEM reasoning, high-throughput math problem-solving, and structured code synthesis. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.

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