Gemma 3 12B vs Stockmark 2 100B Instruct
Gemma 3 12B (2026) and Stockmark 2 100B Instruct (2025) are compact production models from Google DeepMind and Stockmark. Gemma 3 12B ships a 33k-token context window, while Stockmark 2 100B Instruct 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.
Gemma 3 12B is safer overall; choose Stockmark 2 100B Instruct when long-context analysis matters.
Decision scorecard
Local evidence first| Signal | Gemma 3 12B | Stockmark 2 100B Instruct |
|---|---|---|
| Best for | provider-routed production | general production evaluation |
| Decision fit | Classification and JSON / Tool use | Long context |
| Context window | 33k | 128k |
| Cheapest output | $0.13/1M tokens | - |
| Provider routes | 5 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Gemma 3 12B has broader tracked provider coverage for fallback and route flexibility.
- Gemma 3 12B uniquely exposes Structured outputs in local model data.
- Local decision data tags Gemma 3 12B for Classification and JSON / Tool use.
- Stockmark 2 100B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Local decision data tags Stockmark 2 100B Instruct for Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Gemma 3 12B
$64.50
Cheapest tracked route/tier: OpenRouter
Stockmark 2 100B Instruct
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Gemma 3 12B and Stockmark 2 100B Instruct; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Structured outputs before moving production traffic.
- No overlapping tracked provider route is sourced for Stockmark 2 100B Instruct and Gemma 3 12B; plan for SDK, billing, or endpoint changes.
- Gemma 3 12B adds Structured outputs in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-01-01 | 2025-06-01 |
| Context window | 33k | 128k |
| Parameters | 12B | 100B |
| Architecture | Decoder Only | Decoder Only |
| License | Gemma | Open Weights |
| Openness | Open weights | Open weights |
| Weights | Unknown | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | - |
| Knowledge cutoff | 2024-08 | - |
Pricing and availability
| Pricing attribute | Gemma 3 12B | Stockmark 2 100B Instruct |
|---|---|---|
| Input price | $0.04/1M tokens | - |
| Output price | $0.13/1M tokens | - |
| Providers |
Capabilities
| Capability | Gemma 3 12B | Stockmark 2 100B Instruct |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| JSON / Tool use | No | No |
| Structured outputs | Yes | 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
- Together AI - Gemma 3n-e4B vs Stockmark 2 100B Instruct
- Gemma 3n 2B (free) vs Stockmark 2 100B Instruct
- Gemma 3 12B vs Qwen3.5-9B
- Gemma 3 12B vs Llama 3.1 Swallow 8B Instruct
- ELYZA Japanese Llama 2 13B vs Stockmark 2 100B Instruct
- ELYZA Japanese Llama 2 7B vs Stockmark 2 100B Instruct
- Hunyuan Hy3 Preview vs Stockmark 2 100B Instruct
- Gemma 3 12B vs Nemotron 3 Content Safety
- Xiaomi MiMo-V2.5 vs Stockmark 2 100B Instruct
Popular comparisons for Gemma 3 12B
Popular comparisons for Stockmark 2 100B Instruct
Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.