GLM-5 9B vs Llama 2 13B Chat
GLM-5 9B (2026) and Llama 2 13B Chat (2023) are frontier reasoning models from Zhipu AI and AI at Meta. GLM-5 9B ships a 262k-token context window, while Llama 2 13B Chat ships a 4k-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 fits 66x more tokens; pick it for long-context work and Llama 2 13B Chat for tighter calls.
Decision scorecard
Local evidence first| Signal | GLM-5 9B | Llama 2 13B Chat |
|---|---|---|
| Best for | reasoning-heavy apps and tool-calling agents | provider-routed production |
| Decision fit | RAG, Agents, and Long context | Coding, Classification, and JSON / Tool use |
| Context window | 262k | 4k |
| Cheapest output | - | $0.50/1M tokens |
| Provider routes | 0 tracked | 11 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.
- Llama 2 13B Chat has broader tracked provider coverage for fallback and procurement flexibility.
- Llama 2 13B Chat uniquely exposes Structured outputs in local model data.
- Local decision data tags Llama 2 13B Chat for Coding, Classification, and JSON / Tool use.
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
Llama 2 13B Chat
$205
Cheapest tracked route/tier: Replicate API
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 Llama 2 13B Chat; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Reasoning, Function calling, and Tool use before moving production traffic.
- Llama 2 13B Chat adds Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Llama 2 13B Chat and GLM-5 9B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for 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 | 2023-07-18 |
| Context window | 262k | 4k |
| Parameters | 9 | 13B |
| Architecture | decoder only | decoder only |
| License | MIT(OSI) | Llama 2 Community |
| Openness | Open source | Open weights |
| Commercial use | Commercial use allowed | Commercial use with conditions |
| Knowledge cutoff | 2025-11 | 2022-09 |
Pricing and availability
| Pricing attribute | GLM-5 9B | Llama 2 13B Chat |
|---|---|---|
| Input price | - | $0.10/1M tokens |
| Output price | - | $0.50/1M tokens |
| Providers | - |
Capabilities
| Capability | GLM-5 9B | Llama 2 13B Chat |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| 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 reasoning mode: GLM-5 9B, function calling: GLM-5 9B, tool use: GLM-5 9B, and structured outputs: Llama 2 13B Chat. 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 Llama 2 13B Chat has $0.10/1M input tokens. Provider availability is 0 tracked routes versus 11. 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 Llama 2 13B Chat when provider fit 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 Llama 2 13B Chat?
GLM-5 9B supports 262k tokens, while Llama 2 13B Chat supports 4k 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 Llama 2 13B Chat open source?
GLM-5 9B is listed under MIT. Llama 2 13B Chat is listed under Llama 2 Community. 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 reasoning mode, GLM-5 9B or Llama 2 13B Chat?
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.
Which is better for function calling, GLM-5 9B or Llama 2 13B Chat?
GLM-5 9B has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for tool use, GLM-5 9B or Llama 2 13B Chat?
GLM-5 9B has the clearer documented tool use signal in this comparison. If tool use 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 Llama 2 13B Chat?
GLM-5 9B is available on the tracked providers still being sourced. Llama 2 13B Chat is available on Alibaba Cloud PAI-EAS, AWS Bedrock, Microsoft Foundry, GCP Vertex AI, and DeepInfra. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-16. Data sourced from public model cards and provider documentation.