Anthropic
Claude Opus 4 (latest)
Claude Opus 4 (latest) from Anthropic: Flagship Claude model for deep reasoning, coding, and long-horizon agents.
- Context
- 200K
- Max output
- 32K
Accepts
- Text input
- Image input
- PDF input
Produces
- Text output
AI model comparison
Compare pricing, context limits, supported inputs and deployment options to choose a model for your workflow.
Claude Opus 4 (latest) from Anthropic lists 200K context, 32K maximum output. GLM-5.2 from Z.ai / Zhipu AI lists 1M context, 131.07K maximum output, $1.40 input per 1M tokens, $4.40 output per 1M tokens. Compare the inputs, outputs and deployment options below to see which fits your workflow.
Anthropic
Claude Opus 4 (latest) from Anthropic: Flagship Claude model for deep reasoning, coding, and long-horizon agents.
Accepts
Produces
Z.ai / Zhipu AI
GLM-5.2 from Z.ai / Zhipu AI: Open flagship GLM for long-horizon coding agents and million-token context work.
Accepts
Produces
At a glance
Compare the available figures below, then try both models on the work you need to do.
GLM-5.2
Context capacity
Higher listed limit
Claude Opus 4 (latest):200K
GLM-5.2:1M
GLM-5.2
Maximum output
Higher listed limit
Claude Opus 4 (latest):32K
GLM-5.2:131.07K
GLM-5.2
Specifications
| Specification | Claude Opus 4 (latest) | GLM-5.2 |
|---|---|---|
| Provider | Anthropic | Z.ai / Zhipu AI |
| Listed pricing route | Anthropic | Z.ai / Zhipu AI |
| Model family | claude-opus | glm |
| Accepted inputs | text, image, pdf | text |
| Produced outputs | text | text |
| Context window | 200K | 1MHigher |
| Max output | 32K | 131.07KHigher |
| Input price / 1M | — | $1.40 |
| Output price / 1M | — | $4.40 |
| Reasoning mode | Documented | Documented |
| Tool calling | Documented | Documented |
| Image input | Documented | Not documented |
| Audio input | Not documented | Not documented |
| Structured output | Not documented | Documented |
| License | Proprietary | Open weights |
Workload guidance
Consider GLM-5.2 if you need larger context or larger maximum output. GLM-5.2 offers downloadable weights; Claude Opus 4 (latest) is listed as a proprietary model. Compare licence terms and operating costs before choosing a deployment. Test both on the same representative examples and judge the output against your acceptance criteria. Include tool failures, retries and the time to a completed task.
Explore each model’s features, API requirements and licence terms in the sources below.
Claude Opus 4 (latest)
Anthropic
Profile updated Oct 13, 2026
GLM-5.2
Z.ai / Zhipu AI
Profile updated Oct 13, 2026
Model card and weights ↗Search by model or provider to explore another comparison.