Grok 4.20 vs GPT-5.1
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
Grok 4.20
B
GPT-5.1
- ProviderxAIOpenAI
- Rank#56Higher rank#60
- TierAA
- Score75.4Higher score74.4
- PriceAPI $1.25 input / $2.50 output per 1M tokens (prompts under 200K; $2.50 / $5 above); also via Grok app subscriptionsLower price tier$1.25 / $10 per 1M tokens (input/output)
- TaglineA model with native tool use and real-time search integration that is designed for rapid learning and weekly improvement.OpenAI's warmer, adaptive-reasoning update to GPT-5 with a 400K-token context window for everyday and agentic use.
| Attribute | Grok 4.20 | GPT-5.1 |
|---|---|---|
| Provider | xAI | OpenAI |
| Rank | #56Higher rank | #60 |
| Tier | A | A |
| Score | 75.4Higher score | 74.4 |
| Price | API $1.25 input / $2.50 output per 1M tokens (prompts under 200K; $2.50 / $5 above); also via Grok app subscriptionsLower price tier | $1.25 / $10 per 1M tokens (input/output) |
| Tagline | A model with native tool use and real-time search integration that is designed for rapid learning and weekly improvement. | OpenAI's warmer, adaptive-reasoning update to GPT-5 with a 400K-token context window for everyday and agentic use. |