GLM-5 9B vs Grok 3 Mini
GLM-5 9B (2026) and Grok 3 Mini (2025) are frontier reasoning models from Zhipu AI and xAI. GLM-5 9B ships a 262k-token context window, while Grok 3 Mini ships a 131k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.
GLM-5 9B is safer overall; choose Grok 3 Mini when vision-heavy evaluation matters.
Decision scorecard
Local evidence first| Signal | GLM-5 9B | Grok 3 Mini |
|---|---|---|
| Best for | reasoning-heavy apps and tool-calling agents | multimodal apps and provider-routed production |
| Decision fit | RAG, Agents, and Long context | RAG, Long context, and Vision |
| Context window | 262k | 131k |
| Cheapest output | - | $1.27/1M tokens |
| Provider routes | 0 tracked | 2 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- GLM-5 9B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- GLM-5 9B uniquely exposes Reasoning, Function calling, and Tool use in local model data.
- Local decision data tags GLM-5 9B for RAG, Agents, and Long context.
- Grok 3 Mini has broader tracked provider coverage for fallback and procurement flexibility.
- Grok 3 Mini uniquely exposes Vision, Multimodal, and Structured outputs in local model data.
- Local decision data tags Grok 3 Mini for RAG, Long context, and Vision.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
GLM-5 9B
Unavailable
No complete token price in local provider data
Grok 3 Mini
$518
Cheapest tracked route/tier: Microsoft Foundry
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for GLM-5 9B and Grok 3 Mini; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Reasoning, Function calling, and Tool use before moving production traffic.
- Grok 3 Mini adds Vision, Multimodal, and Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Grok 3 Mini and GLM-5 9B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Multimodal, and Structured outputs before moving production traffic.
- GLM-5 9B adds Reasoning, Function calling, and Tool use in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-02-15 | 2025-02-17 |
| Context window | 262k | 131k |
| Parameters | 9 | — |
| Architecture | decoder only | - |
| License | MIT(OSI) | Proprietary |
| Openness | Open source | Proprietary |
| Commercial use | Commercial use allowed | Commercial use with conditions |
| Knowledge cutoff | 2025-11 | 2024-11 |
Pricing and availability
| Pricing attribute | GLM-5 9B | Grok 3 Mini |
|---|---|---|
| Input price | - | $0.25/1M tokens |
| Output price | - | $1.27/1M tokens |
| Providers | - |
Capabilities
| Capability | GLM-5 9B | Grok 3 Mini |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | Yes | No |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | No | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Grok 3 Mini, multimodal input: Grok 3 Mini, reasoning mode: GLM-5 9B, function calling: GLM-5 9B, tool use: GLM-5 9B, and structured outputs: Grok 3 Mini. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
Pricing coverage is uneven: GLM-5 9B has no token price sourced yet and Grok 3 Mini has $0.25/1M input tokens. Provider availability is 0 tracked routes versus 2. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose GLM-5 9B when reasoning depth and larger context windows are central to the workload. Choose Grok 3 Mini when vision-heavy evaluation and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which has a larger context window, GLM-5 9B or Grok 3 Mini?
GLM-5 9B supports 262k tokens, while Grok 3 Mini supports 131k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is GLM-5 9B or Grok 3 Mini open source?
GLM-5 9B is listed under MIT. Grok 3 Mini is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, GLM-5 9B or Grok 3 Mini?
Grok 3 Mini has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, GLM-5 9B or Grok 3 Mini?
Grok 3 Mini has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for reasoning mode, GLM-5 9B or Grok 3 Mini?
GLM-5 9B has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run GLM-5 9B and Grok 3 Mini?
GLM-5 9B is available on the tracked providers still being sourced. Grok 3 Mini is available on OpenRouter and Microsoft Foundry. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-06-04. Data sourced from public model cards and provider documentation.