💻 Coding (SWE) WinnerGPT-6.1 Sol 86.4% SWE-bench · 96.8% HumanEval
🧠 STEM Reasoning WinnerGPT-6.1 Sol 92.4% GPQA · 98.8% MATH-500
Which model is better: GPT-6.1 Sol or Grok 4?
GPT-6.1 Sol is 20.0% cheaper for input tokens ($2.00 vs. $2.50 per 1M tokens) and $10.00 vs. $12.50 for output tokens (1.2x cost advantage). In terms of operational performance, Grok 4 delivers lower response latency at 480ms TTFT (40ms faster than GPT-6.1 Sol) with 95 vs. 135 tok/s throughput. GPT-6.1 Sol leads coding evaluations at 86.4% SWE-bench Verified vs. 73.2% for Grok 4 and 92.4% vs. 86.2% 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
GPT-6.1 Sol
Grok 4
Net Delta / Advantage
Input Cost / 1M Tokens
$2.00
$2.50
GPT-6.1 Sol is 1.3x cheaper
Output Cost / 1M Tokens
$10.00
$12.50
GPT-6.1 Sol (20.0% lower)
Prompt Cache Read / 1M
$0.100
$0.500
GPT-6.1 Sol is 5.0x cheaper
Prompt Cache Write / 1M
$2.00
$2.50
GPT-6.1 Sol is 1.3x cheaper
Context Window (Max Output)
1,075k (128k out)
262k (66k out)
GPT-6.1 Sol (4.1x larger context)
Avg TTFT Response Latency
520ms
480ms
Grok 4 (40ms faster)
Generation Speed (Throughput)
135 tok/s
95 tok/s
GPT-6.1 Sol (+40 tok/s faster)
SWE-bench Verified (Coding)
86.4%
73.2%
GPT-6.1 Sol (+13.2% lead)
GPQA Diamond (PhD STEM)
92.4%
86.2%
GPT-6.1 Sol (+6.2% lead)
MMLU-Pro (Multi-Discipline)
91%
89.9%
GPT-6.1 Sol (+1.1% lead)
MATH-500 (Quantitative Logic)
98.8%
97.6%
GPT-6.1 Sol (+1.2% lead)
Inference Value Score (IVR)
62.9 / 100
57.6 / 100
GPT-6.1 Sol (+5.3 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
Choose GPT-6.1 Sol (OpenAI) for delivers near-GPT-6 Astra frontier accuracy at one-fifth the token cost with a 95% cache read discount for high-efficiency agentic coding, computer use, and enterprise workflow automation — offering a 1,075k context window, 520ms TTFT, and $2.00/1M input pricing ($0.100/1M cached reads).
GPT-6.1 Sol is cheaper at $2.00/1M 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: GPT-6.1 Sol or Grok 4?
Grok 4 delivers faster first-token latency at 480ms TTFT (95 tok/s throughput) compared to 520ms TTFT (135 tok/s) for GPT-6.1 Sol.
How do GPT-6.1 Sol and Grok 4 compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, GPT-6.1 Sol scores 86.4% versus 73.2% for Grok 4. On GPQA Diamond graduate-level STEM reasoning, GPT-6.1 Sol scores 92.4% versus 86.2% for Grok 4 (and 98.8% vs 97.6% on MATH-500).
When should you choose GPT-6.1 Sol?
Choose GPT-6.1 Sol (OpenAI) for delivers near-GPT-6 Astra frontier accuracy at one-fifth the token cost with a 95% cache read discount for high-efficiency agentic coding, computer use, and enterprise workflow automation — offering a 1,075k context window, 520ms TTFT, and $2.00/1M input pricing ($0.100/1M 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).
