Doubao Pro 256K vs Gemma 3 12B Instruct
Doubao Pro 256K (2024) and Gemma 3 12B Instruct (2025) are compact production models from ByteDance and Google DeepMind. Doubao Pro 256K ships a 256k-token context window, while Gemma 3 12B Instruct ships a 128k-token context window. On pricing, Gemma 3 12B Instruct costs $0.20/1M input tokens versus $0.73/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Gemma 3 12B Instruct is ~267% cheaper at $0.20/1M; pay for Doubao Pro 256K only for long-context analysis.
Decision scorecard
Local evidence first| Signal | Doubao Pro 256K | Gemma 3 12B 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 | $0.20/1M tokens |
| Provider routes | 1 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Doubao Pro 256K has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Local decision data tags Doubao Pro 256K for Long context.
- Gemma 3 12B Instruct has the lower cheapest tracked output price at $0.20/1M tokens.
- Local decision data tags Gemma 3 12B 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
Gemma 3 12B Instruct
$210
Cheapest tracked route/tier: Fireworks AI
Estimated monthly gap: $709. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Doubao Pro 256K and Gemma 3 12B Instruct; plan for SDK, billing, or endpoint changes.
- Gemma 3 12B Instruct is $1.12/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- No overlapping tracked provider route is sourced for Gemma 3 12B Instruct and Doubao Pro 256K; plan for SDK, billing, or endpoint changes.
- Doubao Pro 256K is $1.12/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-05-15 | 2025-01-01 |
| Context window | 256k | 128k |
| Parameters | — | 12B |
| Architecture | Decoder Only | Decoder Only |
| License | Proprietary | Gemma |
| Openness | Proprietary | Open weights |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | - | 2024-08 |
Pricing and availability
| Pricing attribute | Doubao Pro 256K | Gemma 3 12B Instruct |
|---|---|---|
| Input price | $0.73/1M tokens | $0.20/1M tokens |
| Output price | $1.32/1M tokens | $0.20/1M tokens |
| Providers |
Capabilities
| Capability | Doubao Pro 256K | Gemma 3 12B 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 scores are currently available 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.
For cost, Doubao Pro 256K lists $0.73/1M input and $1.32/1M output tokens on the cheapest tracked provider, while Gemma 3 12B Instruct lists $0.20/1M input and $0.20/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Gemma 3 12B Instruct lower by about $0.71 per million blended tokens. Availability is 1 providers versus 1, so concentration risk also matters.
Choose Doubao Pro 256K when long-context analysis and larger context windows are central to the workload. Choose Gemma 3 12B Instruct when provider fit and lower input-token cost 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.
FAQ
Which has a larger context window, Doubao Pro 256K or Gemma 3 12B Instruct?
Doubao Pro 256K supports 256k tokens, while Gemma 3 12B Instruct supports 128k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Doubao Pro 256K or Gemma 3 12B Instruct?
Gemma 3 12B Instruct is cheaper on tracked token pricing. Doubao Pro 256K costs $0.73/1M input and $1.32/1M output tokens. Gemma 3 12B Instruct costs $0.20/1M input and $0.20/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Doubao Pro 256K or Gemma 3 12B Instruct open source?
Doubao Pro 256K is listed under Proprietary. Gemma 3 12B Instruct is listed under Gemma. 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 Gemma 3 12B Instruct?
Doubao Pro 256K is available on Volcengine. Gemma 3 12B Instruct is available on Fireworks AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
When should I pick Doubao Pro 256K over Gemma 3 12B Instruct?
Gemma 3 12B Instruct is ~267% cheaper at $0.20/1M; pay for Doubao Pro 256K only for long-context analysis. 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 Gemma 3 12B Instruct.
Continue comparing
Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.