Which model is better: Gemma 4 31B IT or GPT-6 Astra?
Gemma 4 31B IT is 98.8% cheaper for input tokens ($0.12 vs. $10.00 per 1M tokens) and $0.36 vs. $50.00 for output tokens (83.3x cost advantage). In terms of operational performance, Gemma 4 31B IT delivers lower response latency at 115ms TTFT (625ms faster than GPT-6 Astra) with 155 vs. 74 tok/s throughput. GPT-6 Astra leads coding evaluations at 75.7% SWE-bench Verified vs. 59.2% for Gemma 4 31B IT and 96.0% vs. 71.2% 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
Gemma 4 31B IT
GPT-6 Astra
Net Delta / Advantage
Input Cost / 1M Tokens
$0.12
$10.00
Gemma 4 31B IT is 83.3x cheaper
Output Cost / 1M Tokens
$0.36
$50.00
Gemma 4 31B IT (99.3% lower)
Prompt Cache Read / 1M
$0.030
$1.000
Gemma 4 31B IT is 33.3x cheaper
Prompt Cache Write / 1M
$0.12
$12.50
Gemma 4 31B IT is 104.2x cheaper
Context Window (Max Output)
131k (16k out)
1,075k (128k out)
GPT-6 Astra (8.2x larger context)
Avg TTFT Response Latency
115ms
740ms
Gemma 4 31B IT (625ms faster)
Generation Speed (Throughput)
155 tok/s
74 tok/s
Gemma 4 31B IT (+81 tok/s faster)
SWE-bench Verified (Coding)
59.2%
75.7%
GPT-6 Astra (+16.5% lead)
GPQA Diamond (PhD STEM)
71.2%
96%
GPT-6 Astra (+24.8% lead)
MMLU-Pro (Multi-Discipline)
82.8%
91.2%
GPT-6 Astra (+8.4% lead)
MATH-500 (Quantitative Logic)
91.5%
98%
GPT-6 Astra (+6.5% lead)
Inference Value Score (IVR)
80.3 / 100
47.6 / 100
Gemma 4 31B IT (+32.7 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
Gemma 4 31B IT is cheaper at $0.12/1M input tokens ($0.36/1M output) compared to $10.00/1M input ($50.00/1M output) for GPT-6 Astra.
Which model has lower TTFT latency and higher tok/s throughput: Gemma 4 31B IT or GPT-6 Astra?
Gemma 4 31B IT delivers faster first-token latency at 115ms TTFT (155 tok/s throughput) compared to 740ms TTFT (74 tok/s) for GPT-6 Astra.
How do Gemma 4 31B IT and GPT-6 Astra compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, Gemma 4 31B IT scores 59.2% versus 75.7% for GPT-6 Astra. On GPQA Diamond graduate-level STEM reasoning, Gemma 4 31B IT scores 71.2% versus 96% for GPT-6 Astra (and 91.5% vs 98% on MATH-500).
When should you choose Gemma 4 31B IT?
Choose Gemma 4 31B IT (Google) for self-hosted VPC inference, fine-tuned domain agents, sovereign healthcare/finance workloads, and low-latency local code generation — offering a 131k context window, 115ms TTFT, and $0.12/1M input pricing ($0.030/1M cached reads).
When should you choose GPT-6 Astra?
Choose GPT-6 Astra (OpenAI) for high-autonomy flagship reasoning model engineered for end-to-end computer and browser use, advanced scientific research, and complex multi-turn software engineering — offering a 1,075k context window, 740ms TTFT, and $10.00/1M input pricing ($1.000/1M cached reads).
