Doubao Pro 256K vs Together AI - Gemma 3n-e4B
Doubao Pro 256K (2024) and Together AI - Gemma 3n-e4B (2026) are compact production models from ByteDance and Google DeepMind. Doubao Pro 256K ships a 256k-token context window, while Together AI - Gemma 3n-e4B ships a 8k-token context window. On pricing, Together AI - Gemma 3n-e4B costs $0.02/1M 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.
Together AI - Gemma 3n-e4B is ~3575% cheaper at $0.02/1M; pay for Doubao Pro 256K only for long-context analysis.
Decision scorecard
Local evidence first| Signal | Doubao Pro 256K | Together AI - Gemma 3n-e4B |
|---|---|---|
| Best for | general production evaluation | tool-calling agents |
| Decision fit | Long context | Agents, Classification, and JSON / Tool use |
| Context window | 256k | 8k |
| Cheapest output | $1.32/1M tokens | $0.04/1M tokens |
| Provider routes | 1 tracked | 1 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.
- Local decision data tags Doubao Pro 256K for Long context.
- Together AI - Gemma 3n-e4B has the lower cheapest tracked output price at $0.04/1M tokens.
- Together AI - Gemma 3n-e4B uniquely exposes Function calling, Tool use, and Structured outputs in local model data.
- Local decision data tags Together AI - Gemma 3n-e4B for Agents, Classification, and JSON / Tool use.
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
Together AI - Gemma 3n-e4B
$26.00
Cheapest tracked route/tier: Together AI
Estimated monthly gap: $893. 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 Together AI - Gemma 3n-e4B; plan for SDK, billing, or endpoint changes.
- Together AI - Gemma 3n-e4B is $1.28/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Together AI - Gemma 3n-e4B adds Function calling, Tool use, and Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Together AI - Gemma 3n-e4B and Doubao Pro 256K; plan for SDK, billing, or endpoint changes.
- Doubao Pro 256K is $1.28/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Function calling, Tool use, and Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-05-15 | 2026-03-15 |
| Context window | 256k | 8k |
| Parameters | — | 4B |
| Architecture | decoder only | decoder only |
| License | Proprietary | Gemma |
| Openness | Proprietary | Open weights |
| Commercial use | Commercial use with conditions | Commercial use with conditions |
| Knowledge cutoff | - | 2024-06 |
Pricing and availability
| Pricing attribute | Doubao Pro 256K | Together AI - Gemma 3n-e4B |
|---|---|---|
| Input price | $0.73/1M tokens | $0.02/1M tokens |
| Output price | $1.32/1M tokens | $0.04/1M tokens |
| Providers |
Capabilities
| Capability | Doubao Pro 256K | Together AI - Gemma 3n-e4B |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | No | Yes |
| 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 differs most on function calling: Together AI - Gemma 3n-e4B, tool use: Together AI - Gemma 3n-e4B, and structured outputs: Together AI - Gemma 3n-e4B. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, Doubao Pro 256K lists $0.73/1M input and $1.32/1M output tokens on the cheapest tracked provider, while Together AI - Gemma 3n-e4B lists $0.02/1M input and $0.04/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Together AI - Gemma 3n-e4B lower by about $0.89 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 Together AI - Gemma 3n-e4B 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.
FAQ
Which has a larger context window, Doubao Pro 256K or Together AI - Gemma 3n-e4B?
Doubao Pro 256K supports 256k tokens, while Together AI - Gemma 3n-e4B supports 8k 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 Together AI - Gemma 3n-e4B?
Together AI - Gemma 3n-e4B is cheaper on tracked token pricing. Doubao Pro 256K costs $0.73/1M input and $1.32/1M output tokens. Together AI - Gemma 3n-e4B costs $0.02/1M input and $0.04/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Doubao Pro 256K or Together AI - Gemma 3n-e4B open source?
Doubao Pro 256K is listed under Proprietary. Together AI - Gemma 3n-e4B 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.
Which is better for function calling, Doubao Pro 256K or Together AI - Gemma 3n-e4B?
Together AI - Gemma 3n-e4B has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for tool use, Doubao Pro 256K or Together AI - Gemma 3n-e4B?
Together AI - Gemma 3n-e4B has the clearer documented tool use signal in this comparison. If tool use is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Doubao Pro 256K and Together AI - Gemma 3n-e4B?
Doubao Pro 256K is available on Volcengine. Together AI - Gemma 3n-e4B is available on Together 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.
Continue comparing
Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.