Llama 3.3 70B Instruct vs Llama 4 Maverick: accuracy, speed and price

• Llama 4 Maverick is more accurate: 59.0% against 42.5% on the same 80 questions, a 16.5-point gap that is statistically significant.
• They cost about the same per question ($0.00053 vs $0.00059).
• Llama 3.3 70B Instruct generates text 3.1× faster: 42 tokens per second against 13.
• Llama 4 Maverick accepts more context: 524k tokens against 131k.

Which should you choose?

Choose Llama 3.3 70B Instruct for faster streaming and more hosts to choose from on OpenRouter (9 against 3). Choose Llama 4 Maverick for the most accurate answers of the two, the lower cost per correct answer ($0.001 against $0.0013) and a 524k-token context window. The widest subject gap is in law: Llama 4 Maverick answered 3 of 6 correctly, Llama 3.3 70B Instruct 1 of 6. With so few questions per subject, treat this as a lead to test on your own prompts, not a result.

Accuracy gap -16.5 points (z = -2.07). We call a winner only when z is at least 1.96, the usual 95% threshold. Speed, latency and price need a 10% margin.