GPT-6.1 Sol vs DeepSeek V4.1 Flash
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
GPT-6.1 Sol
B
DeepSeek V4.1 Flash
- ProviderOpenAIDeepSeek
- Rank#5Higher rank#17
- TierSS
- Score91.8Higher score85.7
- PriceAPI $2 input / $10 output per 1M tokens ($0.10 cached input)API $0.30 input / $1.20 output per 1M tokens at peak ($0.15 / $0.60 off-peak); MIT open weightsLower price tier
- TaglineOpenAI's September 2026 Sol update for coding, computer use and professional work, positioned close to GPT-6 Astra at a fraction of its token price.DeepSeek's September 2026 Flash model on a new architecture, adding native image understanding and a 1M-token context at lower API prices.
| Attribute | GPT-6.1 Sol | DeepSeek V4.1 Flash |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Rank | #5Higher rank | #17 |
| Tier | S | S |
| Score | 91.8Higher score | 85.7 |
| Price | API $2 input / $10 output per 1M tokens ($0.10 cached input) | API $0.30 input / $1.20 output per 1M tokens at peak ($0.15 / $0.60 off-peak); MIT open weightsLower price tier |
| Tagline | OpenAI's September 2026 Sol update for coding, computer use and professional work, positioned close to GPT-6 Astra at a fraction of its token price. | DeepSeek's September 2026 Flash model on a new architecture, adding native image understanding and a 1M-token context at lower API prices. |