DeepSeek V4.1 Flash (Non-reasoning) vs GPT-6 Astra (Medium)
Which is better for the money: DeepSeek V4.1 Flash (Non-reasoning) by DeepSeek or GPT-6 Astra (Medium) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (Medium) scores 24.9 points higher (49.6 vs 24.7) but costs 10× as much to run the benchmark ($2434 vs $239; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Medium) when you need intelligence above 24.7, and DeepSeek V4.1 Flash (Non-reasoning) when 24.7 is enough.
| Metric | DeepSeek V4.1 Flash (Non-reasoning) | GPT-6 Astra (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.7 | 49.6 | +100.8% GPT-6 Astra (Medium) is 2.0× more intelligent |
| Total AA cost (lower is better) | $238.91 | $2,434.12 | +918.8% GPT-6 Astra (Medium) is 10× more expensive |
| End-to-end time (lower is better) | 2.74s | 13.89s | +406.9% GPT-6 Astra (Medium) is 406.9% slower |
| Price per 1M tokens (in / out) | $0.30 / $1.20 | $10.0 / $50.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Astra (Medium) vs DeepSeek V4.1 Flash (Non-reasoning): 100.8% more intelligence, 918.8% more cost to run the AA benchmark, and 406.9% slower end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V4.1 Flash (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- GPT-6 Astra (Medium) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
DeepSeek V4.1 Flash (Non-reasoning)GPT-6 Astra (Medium)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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