Aquila 2 34B vs Marin 8B Instruct
Aquila 2 34B (2023) and Marin 8B Instruct (2025) are compact production models from Beijing Academy of Artificial Intelligence (BAAI) and Marin. Aquila 2 34B ships a 2k-token context window, while Marin 8B 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.
Marin 8B Instruct fits 64x more tokens; pick it for long-context work and Aquila 2 34B for tighter calls.
Decision scorecard
Local evidence first| Signal | Aquila 2 34B | Marin 8B Instruct |
|---|---|---|
| Best for | general production evaluation | general production evaluation |
| Decision fit | General | Long context |
| Context window | 2k | 128k |
| Cheapest output | - | - |
| Provider routes | 0 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Use Aquila 2 34B when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
- Marin 8B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Marin 8B Instruct has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Marin 8B Instruct for Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Aquila 2 34B
Unavailable
No complete token price in local provider data
Marin 8B 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 Aquila 2 34B and Marin 8B Instruct; plan for SDK, billing, or endpoint changes.
- No overlapping tracked provider route is sourced for Marin 8B Instruct and Aquila 2 34B; plan for SDK, billing, or endpoint changes.
Specs
| Specification | ||
|---|---|---|
| Released | 2023-11-02 | 2025-09-01 |
| Context window | 2k | 128k |
| Parameters | 34B | 8B |
| Architecture | Decoder Only | Decoder Only |
| License | Proprietary | Apache 2.0OSI-approved |
| Openness | Proprietary | Open source |
| Weights | Not released | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | - | 2024-07 |
Pricing and availability
| Pricing attribute | Aquila 2 34B | Marin 8B Instruct |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers | - |
Pricing not yet sourced for either model.
Capabilities
| Capability | Aquila 2 34B | Marin 8B Instruct |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| 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.
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Last reviewed: 2026-09-08. Data sourced from public model cards and provider documentation.