Verdict
Built from the measurements below
- Nova Micro 1.0 is more accurate: 22.5% against 1.2% on the same 80 questions, a 21.3-point gap that is statistically significant.
- Nova Micro 1.0 is 9.2× cheaper per question as billed ($0.000087 vs $0.0008), reasoning tokens included.
- Nova Micro 1.0 generates text 1.8× faster: 180 tokens per second against 101.
- Nova Micro 1.0 accepts more context: 128k tokens against 66k.
Which should you choose?
Choose Nova Micro 1.0 for the most accurate answers of the two, the lower cost per correct answer ($0.00039 against $0.067), faster streaming, shorter outputs (about 545 tokens per question against 3,855) and a 128k-token context window. Choose Reka Flash 3 for open weights you can run yourself. The widest subject gap is in economics: Nova Micro 1.0 answered 6 of 9 correctly, Reka Flash 3 0 of 9. With so few questions per subject, treat this as a lead to test on your own prompts, not a result.
Accuracy gap +21.3 points (z = 4.15). We call a winner only when z is at least 1.96, the usual 95% threshold. Speed, latency and price need a 10% margin.