Compare, 2 models
Side by side.
Claude Opus 4.8 and GLM-5.3 on every board at least two of them share. Blue marks the best in each row.
Specs
List prices, context and published output speed. Blue marks the best in each row.
| Spec | Claude Opus 4.8Anthropic | GLM-5.3Zhipu |
|---|---|---|
| Lab | Anthropic | Zhipu |
| Type | Language | Language |
| Released | May 28, 2026 | Aug 18, 2026 |
| Input price$ per 1M tokens | $5.00 | $1.40 |
| Output price$ per 1M tokens | $25.00 | $4.40 |
| Blended price3 input tokens per output | $10.00 | $2.15 |
| Contexttokens | 1M | 1.05M |
| Open weights | No | Yes |
| Output speedTok / s | n/a | 68 |
Benchmarks
Every board where at least two of these models have a published score. Each score links to its source.
| Board | Claude Opus 4.8Anthropic | GLM-5.3Zhipu |
|---|---|---|
| Artificial Analysis Intelligence IndexOverall, higher is better | 42Max | 45Max |
| Epoch Capabilities IndexOverall, higher is better | 159 | 156 |
| LMArena textOverall, higher is better | 1481High, style control | 1481Max, style control |
| Artificial Analysis Coding IndexCoding and agents, higher is better | 74 | 75 |
| FrontierMath Tiers 1-3Reasoning and knowledge, higher is better | 80.0%max setting | 68.8%max setting |
| GPQA DiamondReasoning and knowledge, higher is better | 91.0%max setting | 90.9%max setting |
n/a means the board has not published a score for that model.