Compare AI models
| Specifications | ||
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality. | — | 6B |
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider. | 200k | 2k |
| API pricingUSD per 1M tokens · lower wins | ||
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page. | $1.10OpenAI | — |
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input. | $4.40OpenAI | — |
| $440OpenAI | — | |
| Overview | ||
| Company | OpenAI | Z.ai |
| Release date | Apr 16 2025 | Mar 14 2023 |
| Access | Closed | Open Weight |
| Model details | View model | View model |
Other comparisons
o4-mini-highvsClaude Haiku 5.5ChatGLM-6BvsClaude Haiku 5.5o4-mini-highvsGemini 4 ArgonChatGLM-6BvsGemini 4 Argono4-mini-highvsMuse Spark OpenChatGLM-6BvsMuse Spark Openo4-mini-highvsGrok 4.7ChatGLM-6BvsGrok 4.7o4-mini-highvsDeepSeek-V4.1-Flash-1017ChatGLM-6BvsDeepSeek-V4.1-Flash-1017o4-mini-highvsMistral Large 4ChatGLM-6BvsMistral Large 4Frequently asked questions
o4-mini-high and ChatGLM-6B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. ChatGLM-6B shipped 764 days before o4-mini-high, so benchmark comparisons should account for the intervening progress.
Context windows are 200k (o4-mini-high) vs 2k (ChatGLM-6B). o4-mini-high is closed, while ChatGLM-6B is open weight.
Direct benchmark comparisons are unavailable — o4-mini-high and ChatGLM-6B don't publish scores on any of the same benchmarks.