Aquila 2 7B vs Doubao Pro 256K
Aquila 2 7B (2023) and Doubao Pro 256K (2024) are compact production models from Beijing Academy of Artificial Intelligence (BAAI) and ByteDance. Aquila 2 7B ships a 2k-token context window, while Doubao Pro 256K ships a 256k-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.
Doubao Pro 256K fits 128x more tokens; pick it for long-context work and Aquila 2 7B for tighter calls.
Decision scorecard
Local evidence first| Signal | Aquila 2 7B | Doubao Pro 256K |
|---|---|---|
| Best for | general production evaluation | general production evaluation |
| Decision fit | General | Long context |
| Context window | 2k | 256k |
| Cheapest output | - | $1.32/1M tokens |
| Provider routes | 0 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Use Aquila 2 7B when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
- Doubao Pro 256K has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Doubao Pro 256K has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Doubao Pro 256K 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 7B
Unavailable
No complete token price in local provider data
Doubao Pro 256K
$919
Cheapest tracked route/tier: Volcengine
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 7B and Doubao Pro 256K; plan for SDK, billing, or endpoint changes.
- No overlapping tracked provider route is sourced for Doubao Pro 256K and Aquila 2 7B; plan for SDK, billing, or endpoint changes.
Specs
| Specification | ||
|---|---|---|
| Released | 2023-11-02 | 2024-05-15 |
| Context window | 2k | 256k |
| Parameters | 7B | — |
| Architecture | decoder only | decoder only |
| License | Proprietary | Proprietary |
| Openness | Proprietary | Proprietary |
| Commercial use | Commercial use with conditions | Commercial use with conditions |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Aquila 2 7B | Doubao Pro 256K |
|---|---|---|
| Input price | - | $0.73/1M tokens |
| Output price | - | $1.32/1M tokens |
| Providers | - |
Capabilities
| Capability | Aquila 2 7B | Doubao Pro 256K |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | No |
| 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 rows are currently sourced for this pair.
Deep dive
The capability footprint is close: both models cover the core production surface. That makes context budget, benchmark fit, and provider maturity more important than a simple checklist. If your application depends on one integration detail, verify it against the provider route you plan to use, not just the base model listing.
Pricing coverage is uneven: Aquila 2 7B has no token price sourced yet and Doubao Pro 256K has $0.73/1M input tokens. Provider availability is 0 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Aquila 2 7B when provider fit are central to the workload. Choose Doubao Pro 256K when long-context analysis, larger context windows, 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. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.
FAQ
Which has a larger context window, Aquila 2 7B or Doubao Pro 256K?
Doubao Pro 256K supports 256k tokens, while Aquila 2 7B supports 2k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Aquila 2 7B or Doubao Pro 256K open source?
Aquila 2 7B is listed under Proprietary. Doubao Pro 256K is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Where can I run Aquila 2 7B and Doubao Pro 256K?
Aquila 2 7B is available on the tracked providers still being sourced. Doubao Pro 256K is available on Volcengine. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Aquila 2 7B over Doubao Pro 256K?
Doubao Pro 256K fits 128x more tokens; pick it for long-context work and Aquila 2 7B for tighter calls. If your workload also depends on provider fit, start with Aquila 2 7B; if it depends on long-context analysis, run the same evaluation with Doubao Pro 256K.
Continue comparing
Last reviewed: 2026-05-19. Data sourced from public model cards and provider documentation.