GPT-5.1 vs Grok 4.20
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
GPT-5.1
B
Grok 4.20
- ProviderOpenAIxAI
- Rank#60#56Higher rank
- TierAA
- Score74.475.4Higher score
- Price$1.25 / $10 per 1M tokens (input/output)API $1.25 input / $2.50 output per 1M tokens (prompts under 200K; $2.50 / $5 above); also via Grok app subscriptionsLower price tier
- TaglineOpenAI's warmer, adaptive-reasoning update to GPT-5 with a 400K-token context window for everyday and agentic use.A model with native tool use and real-time search integration that is designed for rapid learning and weekly improvement.
| Attribute | GPT-5.1 | Grok 4.20 |
|---|---|---|
| Provider | OpenAI | xAI |
| Rank | #60 | #56Higher rank |
| Tier | A | A |
| Score | 74.4 | 75.4Higher score |
| Price | $1.25 / $10 per 1M tokens (input/output) | API $1.25 input / $2.50 output per 1M tokens (prompts under 200K; $2.50 / $5 above); also via Grok app subscriptionsLower price tier |
| Tagline | OpenAI's warmer, adaptive-reasoning update to GPT-5 with a 400K-token context window for everyday and agentic use. | A model with native tool use and real-time search integration that is designed for rapid learning and weekly improvement. |