Granite Guardian 3.0 8B vs Magistral Small 2506
Granite Guardian 3.0 8B (2025) and Magistral Small 2506 (2025) are frontier reasoning models from IBM Research and MistralAI. Granite Guardian 3.0 8B ships a 8k-token context window, while Magistral Small 2506 ships a 128k-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.
Magistral Small 2506 fits 16x more tokens; pick it for long-context work and Granite Guardian 3.0 8B for tighter calls.
Decision scorecard
Local evidence first| Signal | Granite Guardian 3.0 8B | Magistral Small 2506 |
|---|---|---|
| Best for | general production evaluation | reasoning-heavy apps |
| Decision fit | Classification | Long context |
| Context window | 8k | 128k |
| Cheapest output | - | - |
| Provider routes | 1 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Local decision data tags Granite Guardian 3.0 8B for Classification.
- Magistral Small 2506 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Magistral Small 2506 uniquely exposes Reasoning in local model data.
- Local decision data tags Magistral Small 2506 for Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Granite Guardian 3.0 8B
Unavailable
No complete token price in local provider data
Magistral Small 2506
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- Provider overlap exists on NVIDIA NIM; start route-level A/B tests there.
- Magistral Small 2506 adds Reasoning in local capability data.
- Provider overlap exists on NVIDIA NIM; start route-level A/B tests there.
- Check replacement coverage for Reasoning before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-03-01 | 2025-06-10 |
| Context window | 8k | 128k |
| Parameters | 8B | 24B |
| Architecture | Decoder Only | Decoder Only |
| License | Apache 2.0OSI-approved | Apache 2.0OSI-approved |
| Openness | Open source | Open source |
| Weights | Unknown | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: permitted |
| Knowledge cutoff | 2024-04 | 2025-06 |
Pricing and availability
| Pricing attribute | Granite Guardian 3.0 8B | Magistral Small 2506 |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers |
Pricing not yet sourced for either model.
Capabilities
| Capability | Granite Guardian 3.0 8B | Magistral Small 2506 |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | Yes |
| JSON / Tool use | No | No |
| Structured outputs | No | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
Continue comparing
- Granite Guardian 3.0 8B vs Phi-4 Mini Flash Reasoning
- Together AI - Gemma 3n-e4B vs Granite Guardian 3.0 8B
- Magistral Small 2506 vs Mistral Medium 3.5
- Granite Guardian 3.0 8B vs Llama Guard 7B
- Granite Guardian 3.0 8B vs Italia 10B Instruct
- Granite Guardian 3.0 8B vs Llama Guard 2 8B
- Magistral Small 2506 vs Mistral Medium 3 Instruct
Popular comparisons for Granite Guardian 3.0 8B
Popular comparisons for Magistral Small 2506
Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.