Gemini 2.5 Pro is 50.0% cheaper for input tokens ($1.25 vs. $2.50 per 1M tokens) and $10.00 vs. $12.50 for output tokens (2.0x cost advantage). In terms of operational performance, Grok 4 delivers lower response latency at 480ms TTFT (220ms faster than Gemini 2.5 Pro) with 95 vs. 80 tok/s throughput. Grok 4 leads coding evaluations at 73.2% SWE-bench Verified vs. 63.8% for Gemini 2.5 Pro and 86.2% vs. 74.0% 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
Gemini 2.5 Pro
Grok 4
Net Delta / Advantage
Input Cost / 1M Tokens
$1.25
$2.50
Gemini 2.5 Pro is 2.0x cheaper
Output Cost / 1M Tokens
$10.00
$12.50
Gemini 2.5 Pro (20.0% lower)
Prompt Cache Read / 1M
$0.313
$0.500
Gemini 2.5 Pro is 1.6x cheaper
Prompt Cache Write / 1M
$1.25
$2.50
Gemini 2.5 Pro is 2.0x cheaper
Context Window (Max Output)
1,024k (66k out)
262k (66k out)
Gemini 2.5 Pro (3.9x larger context)
Avg TTFT Response Latency
700ms
480ms
Grok 4 (220ms faster)
Generation Speed (Throughput)
80 tok/s
95 tok/s
Grok 4 (+15 tok/s faster)
SWE-bench Verified (Coding)
63.8%
73.2%
Grok 4 (+9.4% lead)
GPQA Diamond (PhD STEM)
74%
86.2%
Grok 4 (+12.2% lead)
MMLU-Pro (Multi-Discipline)
85.2%
89.9%
Grok 4 (+4.7% lead)
MATH-500 (Quantitative Logic)
95%
97.6%
Grok 4 (+2.6% lead)
Inference Value Score (IVR)
56.8 / 100
57.6 / 100
Grok 4 (+0.8 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
Choose Gemini 2.5 Pro (Google) for long-context document and video analysis, large codebase ingestion, and multimodal reasoning — offering a 1,024k context window, 700ms TTFT, and $1.25/1M input pricing ($0.312/1M cached reads).
Gemini 2.5 Pro is cheaper at $1.25/1M input tokens ($10.00/1M output) compared to $2.50/1M input ($12.50/1M output) for Grok 4.
Which model has lower TTFT latency and higher tok/s throughput: Gemini 2.5 Pro or Grok 4?
Grok 4 delivers faster first-token latency at 480ms TTFT (95 tok/s throughput) compared to 700ms TTFT (80 tok/s) for Gemini 2.5 Pro.
How do Gemini 2.5 Pro and Grok 4 compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Gemini 2.5 Pro scores 63.8% versus 73.2% for Grok 4. On GPQA Diamond graduate-level STEM reasoning, Gemini 2.5 Pro scores 74% versus 86.2% for Grok 4 (and 95% vs 97.6% on MATH-500).
When should you choose Gemini 2.5 Pro?
Choose Gemini 2.5 Pro (Google) for long-context document and video analysis, large codebase ingestion, and multimodal reasoning — offering a 1,024k context window, 700ms TTFT, and $1.25/1M input pricing ($0.312/1M cached reads).
When should you choose Grok 4?
Choose Grok 4 (xAI) for real-time financial/market intelligence, PhD-level STEM problem solving, and autonomous code generation — offering a 262k context window, 480ms TTFT, and $2.50/1M input pricing ($0.500/1M cached reads).
