Gemini 4 Pro (Projected) vs GPT-6 Astra

A direct, empirical evaluation of Gemini 4 Pro (Projected) (Google DeepMind) against GPT-6 Astra (OpenAI).

Gemini 4 Pro (Projected)

Developed by Google DeepMind · Proprietary Omni-Modal Unified Diffusion Transformer parameters

Repository-scale 10M-token refactoring, automated formal theorem proving, parametric SVG and 3D GLTF asset synthesis, and zero-hallucination execution.

GPT-6 Astra

Developed by OpenAI · Proprietary Frontier parameters

Complex multi-step engineering, formal math proofs, autonomous computer/browser navigation, and CAD synthesis.

Metric Gemini 4 Pro (Projected) GPT-6 Astra
SWE-bench Verified 75.8% 79.4%
MMLU-Pro 92.4% 91.2%
MATH-500 97.2% 98.6%
Context Window 2,000,000 - 10,000,000 tokens 1,050,000 tokens
Input Pricing (per 1M) $1.50 $10.00
Output Pricing (per 1M) $7.50 $50.00