Is Recursive better than Z Ai?
It depends on the job: Z Ai offers the broader line-up (1 models vs 23), Z Ai the longest context (1.0M tokens). The workload table above shows which wins for chat, RAG, agents, batch jobs and long documents.
Recursive vs Z Ai
Recursive lists 1 models and Z Ai 23. Below: line-up, price tiers, the cheapest model for each capability, and what each costs for five real workloads.
At a glance
| Recursive | Z Ai | |
|---|---|---|
| Models listed | 1 | 23 |
| Models with published pricing | 1 | 23 |
| Typical price (median, 3:1 blend per 1M) | n/a | $0.90 |
| Cheapest paid model | n/a | Z.ai: GLM 5.3 Flash ($0.05) |
| Longest context | Recursive: Flint (free) (262K) | Z.ai: GLM 5.2 (1.0M) |
| Free models | 1 | 2 |
| Newest model | Recursive: Flint (free) (2026-10-21) | Z.ai: GLM 5.3 Prime (2026-09-23) |
| Price changes in the last 90 days | 0 | 115 |
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What each costs for real workloads
For each workload: the cheapest model from each provider that can actually do it (fits the context window; tool calling required for the agent), and its monthly cost at list price.
| Workload (per month) | Recursive | Z Ai |
|---|---|---|
| Customer-support chatbot 50,000 conversations — each a 6-turn conversation | no suitable model | $3.92 with Z.ai: GLM 5.3 Flash |
| RAG search over documents 20,000 questions — each a question answered from ~8 retrieved passages | no suitable model | $3.61 with Z.ai: GLM 5.3 Flash |
| Coding / tool-using agent 2,000 tasks — each a multi-step task with tool calls and file context | no suitable model | $3.85 with Z.ai: GLM 5.3 Flash |
| Batch summarisation 10,000 documents — each a 6,000-word report summarised to a page | no suitable model | $2.33 with Z.ai: GLM 5.3 Flash |
| Long-document analysis 500 documents — each a 150-page contract or codebase read in one pass | no suitable model | $1.12 with Z.ai: GLM 5.3 Flash |
Cheapest model for each capability
| You need | Recursive | Z Ai |
|---|---|---|
| Any model | none listed | Z.ai: GLM 5.3 Flash ($0.05) |
| With tool calling | none listed | Z.ai: GLM 5.3 Flash ($0.05) |
| With image input | none listed | Z.ai: GLM 5.3 Flash ($0.05) |
| With reasoning mode | none listed | Z.ai: GLM 5.3 Flash ($0.05) |
| 128K+ context | none listed | Z.ai: GLM 5.3 Flash ($0.05) |
| 1M+ context | none listed | Z.ai: GLM 5.3 Flash ($0.05) |
Line-up by type and price tier
| Model type | Recursive | Z Ai |
|---|---|---|
| text+image+video->text | 0 | 5 |
| text+image->text | 0 | 1 |
| text->text | 1 | 17 |
| Price per 1M (3:1 blend) | Recursive | Z Ai |
|---|---|---|
| Free | 1 | 2 |
| Under $0.50 | 0 | 7 |
| $0.50 – $3 | 0 | 13 |
| $3 – $10 | 0 | 1 |
| $10 and up | 0 | 0 |
Frequently asked questions
Which has more models, Recursive or Z Ai?
Z Ai: Recursive lists 1 models and Z Ai lists 23.
Which provider has the longest context window?
Z Ai: Recursive's longest is Recursive: Flint (free) at 262K tokens; Z Ai's is Z.ai: GLM 5.2 at 1.0M.
Do Recursive or Z Ai offer free models?
Recursive: 1 free model (e.g. Recursive: Flint (free)). Z Ai: 2 free models (e.g. Z.ai: GLM 4.5 Air (free)).
Which provider has models that can read images?
Recursive: 0 of 1 models accept images. Z Ai: 6 of 23.