LLM Reference

GLM-5V-Turbo vs Mistral Magistral Small 2509

GLM-5V-Turbo (2026) and Mistral Magistral Small 2509 (2025) are frontier reasoning models from Zhipu AI and MistralAI. GLM-5V-Turbo ships a 200k-token context window, while Mistral Magistral Small 2509 ships a not-yet-sourced context window. On pricing, Mistral Magistral Small 2509 costs $0.50/1M input tokens versus $1.20/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Mistral Magistral Small 2509 is ~140% cheaper at $0.50/1M; pay for GLM-5V-Turbo only for reasoning depth.

Decision scorecard

Local evidence first
SignalGLM-5V-TurboMistral Magistral Small 2509
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentsprovider-routed production
Decision fitRAG, Agents, and Long contextGeneral
Context window200k
Cheapest output$4/1M tokens$1.50/1M tokens
Provider routes2 tracked2 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose GLM-5V-Turbo when...
  • GLM-5V-Turbo has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • GLM-5V-Turbo uniquely exposes Vision, Multimodal, and Reasoning in local model data.
  • Local decision data tags GLM-5V-Turbo for RAG, Agents, and Long context.
Choose Mistral Magistral Small 2509 when...
  • Mistral Magistral Small 2509 has the lower cheapest tracked output price at $1.50/1M tokens.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Lower estimate Mistral Magistral Small 2509

GLM-5V-Turbo

$1,960

Cheapest tracked route/tier: OpenRouter

Mistral Magistral Small 2509

$775

Cheapest tracked route/tier: AWS Bedrock

Estimated monthly gap: $1,185. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

GLM-5V-Turbo -> Mistral Magistral Small 2509
  • Provider overlap exists on Vercel AI Gateway; start route-level A/B tests there.
  • Mistral Magistral Small 2509 is $2.50/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
Mistral Magistral Small 2509 -> GLM-5V-Turbo
  • Provider overlap exists on Vercel AI Gateway; start route-level A/B tests there.
  • GLM-5V-Turbo is $2.50/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • GLM-5V-Turbo adds Vision, Multimodal, and Reasoning in local capability data.

Specs

Specification
Released2026-04-012025-09-01
Context window200k
Parameters744B total, 40B active24B
Architecturemixture of experts-
LicenseMIT(OSI)Apache 2.0(OSI)
OpennessOpen sourceOpen source
Commercial useCommercial use allowedCommercial use allowed
Knowledge cutoff2025-11-

Pricing and availability

Pricing attributeGLM-5V-TurboMistral Magistral Small 2509
Input price$1.20/1M tokens$0.50/1M tokens
Output price$4/1M tokens$1.50/1M tokens
Providers

Capabilities

CapabilityGLM-5V-TurboMistral Magistral Small 2509
VisionYesNo
MultimodalYesNo
ReasoningYesNo
Function callingYesNo
Tool useYesNo
Structured outputsYesNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on vision: GLM-5V-Turbo, multimodal input: GLM-5V-Turbo, reasoning mode: GLM-5V-Turbo, function calling: GLM-5V-Turbo, tool use: GLM-5V-Turbo, and structured outputs: GLM-5V-Turbo. 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.

For cost, GLM-5V-Turbo lists $1.20/1M input and $4/1M output tokens on the cheapest tracked provider, while Mistral Magistral Small 2509 lists $0.50/1M input and $1.50/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Mistral Magistral Small 2509 lower by about $1.24 per million blended tokens. Availability is 2 providers versus 2, so concentration risk also matters.

Choose GLM-5V-Turbo when reasoning depth are central to the workload. Choose Mistral Magistral Small 2509 when provider fit and lower input-token cost 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 is cheaper, GLM-5V-Turbo or Mistral Magistral Small 2509?

Mistral Magistral Small 2509 is cheaper on tracked token pricing. GLM-5V-Turbo costs $1.20/1M input and $4/1M output tokens. Mistral Magistral Small 2509 costs $0.50/1M input and $1.50/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is GLM-5V-Turbo or Mistral Magistral Small 2509 open source?

GLM-5V-Turbo is listed under MIT. Mistral Magistral Small 2509 is listed under Apache 2.0. 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-5V-Turbo or Mistral Magistral Small 2509?

GLM-5V-Turbo 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. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is better for multimodal input, GLM-5V-Turbo or Mistral Magistral Small 2509?

GLM-5V-Turbo 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-5V-Turbo or Mistral Magistral Small 2509?

GLM-5V-Turbo 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-5V-Turbo and Mistral Magistral Small 2509?

GLM-5V-Turbo is available on OpenRouter and Vercel AI Gateway. Mistral Magistral Small 2509 is available on AWS Bedrock and Vercel AI Gateway. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.