GLM-5.1 vs GPT-5
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
GLM-5.1
B
GPT-5
- ProviderZ.aiOpenAI
- Rank#49Higher rank#51
- TierAA
- Score78.2Higher score77.4
- Price$1.40 / 1M input, $4.40 / 1M output tokensLower price tierFree tier · ChatGPT Plus $20/mo · API ~$1.25/$10 per 1M tokens
- TaglineAn open-weight model from Zhipu AI that offers performance competitive with leading closed models.OpenAI's unified flagship model offered across all ChatGPT tiers with broad general-purpose capability.
| Attribute | GLM-5.1 | GPT-5 |
|---|---|---|
| Provider | Z.ai | OpenAI |
| Rank | #49Higher rank | #51 |
| Tier | A | A |
| Score | 78.2Higher score | 77.4 |
| Price | $1.40 / 1M input, $4.40 / 1M output tokensLower price tier | Free tier · ChatGPT Plus $20/mo · API ~$1.25/$10 per 1M tokens |
| Tagline | An open-weight model from Zhipu AI that offers performance competitive with leading closed models. | OpenAI's unified flagship model offered across all ChatGPT tiers with broad general-purpose capability. |