Doubao Pro 256K vs Granite 3.1 8B Instruct
Doubao Pro 256K (2024) and Granite 3.1 8B Instruct (2024) are compact production models from ByteDance and IBM Research. Doubao Pro 256K ships a 256k-token context window, while Granite 3.1 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. It focuses on practical selection signals rather than broad model-family marketing.
Granite 3.1 8B Instruct is safer overall; choose Doubao Pro 256K when long-context analysis matters.
Decision scorecard
Local evidence first| Signal | Doubao Pro 256K | Granite 3.1 8B Instruct |
|---|---|---|
| Best for | general production evaluation | general production evaluation |
| Decision fit | Long context | Long context |
| Context window | 256k | 128k |
| Cheapest output | $1.32/1M tokens | - |
| Provider routes | 1 tracked | 0 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- 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.
- Local decision data tags Granite 3.1 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.
Doubao Pro 256K
$919
Cheapest tracked route/tier: Volcengine
Granite 3.1 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 Doubao Pro 256K and Granite 3.1 8B Instruct; plan for SDK, billing, or endpoint changes.
- No overlapping tracked provider route is sourced for Granite 3.1 8B Instruct and Doubao Pro 256K; plan for SDK, billing, or endpoint changes.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-05-15 | 2024-12-18 |
| Context window | 256k | 128k |
| Parameters | — | 8B |
| Architecture | decoder only | Dense decoder-only transformer: 40 layers, 4096 embed, GQA 32/8 heads, RoPE, SwiGLU |
| License | Proprietary | Apache 2.0(OSI) |
| Openness | Proprietary | Open source |
| Commercial use | Commercial use with conditions | Commercial use allowed |
| Knowledge cutoff | - | 2024-04 |
Pricing and availability
| Pricing attribute | Doubao Pro 256K | Granite 3.1 8B Instruct |
|---|---|---|
| Input price | $0.73/1M tokens | - |
| Output price | $1.32/1M tokens | - |
| Providers | - |
Capabilities
| Capability | Doubao Pro 256K | Granite 3.1 8B Instruct |
|---|---|---|
| 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: Doubao Pro 256K has $0.73/1M input tokens and Granite 3.1 8B Instruct has no token price sourced yet. Provider availability is 1 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Doubao Pro 256K when long-context analysis, larger context windows, and broader provider choice are central to the workload. Choose Granite 3.1 8B Instruct when provider fit 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, Doubao Pro 256K or Granite 3.1 8B Instruct?
Doubao Pro 256K supports 256k tokens, while Granite 3.1 8B Instruct supports 128k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Doubao Pro 256K or Granite 3.1 8B Instruct open source?
Doubao Pro 256K is listed under Proprietary. Granite 3.1 8B Instruct 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.
Where can I run Doubao Pro 256K and Granite 3.1 8B Instruct?
Doubao Pro 256K is available on Volcengine. Granite 3.1 8B Instruct is available on the tracked providers still being sourced. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Doubao Pro 256K over Granite 3.1 8B Instruct?
Granite 3.1 8B Instruct is safer overall; choose Doubao Pro 256K when long-context analysis matters. If your workload also depends on long-context analysis, start with Doubao Pro 256K; if it depends on provider fit, run the same evaluation with Granite 3.1 8B Instruct.
Continue comparing
Last reviewed: 2026-04-29. Data sourced from public model cards and provider documentation.