Which model is better: Claude 4 Opus or Grok 3 Mini?
Grok 3 Mini is 98.0% cheaper for input tokens ($0.30 vs. $15.00 per 1M tokens) and $1.20 vs. $75.00 for output tokens (50.0x cost advantage). In terms of operational performance, Grok 3 Mini delivers lower response latency at 150ms TTFT (770ms faster than Claude 4 Opus) with 160 vs. 46 tok/s throughput. Claude 4 Opus leads coding evaluations at 77.2% SWE-bench Verified vs. 54.0% for Grok 3 Mini and 87.1% vs. 68.0% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.
Zero-Shot RAG Verified
Verified Performance & Unit Economics Delta (12 Dimensions)
Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.
Metric / Dimension
Claude 4 Opus
Grok 3 Mini
Net Delta / Advantage
Input Cost / 1M Tokens
$15.00
$0.30
Grok 3 Mini is 50.0x cheaper
Output Cost / 1M Tokens
$75.00
$1.20
Grok 3 Mini (98.4% lower)
Prompt Cache Read / 1M
$1.500
$0.080
Grok 3 Mini is 18.8x cheaper
Prompt Cache Write / 1M
$18.75
$0.30
Grok 3 Mini is 62.5x cheaper
Context Window (Max Output)
205k (64k out)
131k (16k out)
Claude 4 Opus (1.6x larger context)
Avg TTFT Response Latency
920ms
150ms
Grok 3 Mini (770ms faster)
Generation Speed (Throughput)
46 tok/s
160 tok/s
Grok 3 Mini (+114 tok/s faster)
SWE-bench Verified (Coding)
77.2%
54%
Claude 4 Opus (+23.2% lead)
GPQA Diamond (PhD STEM)
87.1%
68%
Claude 4 Opus (+19.1% lead)
MMLU-Pro (Multi-Discipline)
91.8%
80%
Claude 4 Opus (+11.8% lead)
MATH-500 (Quantitative Logic)
98.1%
87%
Claude 4 Opus (+11.1% lead)
Inference Value Score (IVR)
43.6 / 100
69.2 / 100
Grok 3 Mini (+25.6 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
Choose Grok 3 Mini (xAI) for high-speed reasoning model providing rapid answers and code generation with chain-of-thought capabilities at edge pricing — offering a 131k context window, 150ms TTFT, and $0.30/1M input pricing ($0.080/1M cached reads).
Grok 3 Mini is cheaper at $0.30/1M input tokens ($1.20/1M output) compared to $15.00/1M input ($75.00/1M output) for Claude 4 Opus.
Which model has lower TTFT latency and higher tok/s throughput: Claude 4 Opus or Grok 3 Mini?
Grok 3 Mini delivers faster first-token latency at 150ms TTFT (160 tok/s throughput) compared to 920ms TTFT (46 tok/s) for Claude 4 Opus.
How do Claude 4 Opus and Grok 3 Mini compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Claude 4 Opus scores 77.2% versus 54% for Grok 3 Mini. On GPQA Diamond graduate-level STEM reasoning, Claude 4 Opus scores 87.1% versus 68% for Grok 3 Mini (and 98.1% vs 87% on MATH-500).
When should you choose Claude 4 Opus?
Choose Claude 4 Opus (Anthropic) for mission-critical R&D, long-horizon autonomous coding tasks, complex theorem proving, and executive strategic synthesis — offering a 204k context window, 920ms TTFT, and $15.00/1M input pricing ($1.500/1M cached reads).
When should you choose Grok 3 Mini?
Choose Grok 3 Mini (xAI) for high-speed reasoning model providing rapid answers and code generation with chain-of-thought capabilities at edge pricing — offering a 131k context window, 150ms TTFT, and $0.30/1M input pricing ($0.080/1M cached reads).
