Doubao Pro 256K vs GPT-2 Medium
Doubao Pro 256K (2024) and GPT-2 Medium (2019) are compact production models from ByteDance and OpenAI. Doubao Pro 256K ships a 256k-token context window, while GPT-2 Medium ships a 1k-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.
Doubao Pro 256K fits 256x more tokens; pick it for long-context work and GPT-2 Medium for tighter calls.
Decision scorecard
Local evidence first| Signal | Doubao Pro 256K | GPT-2 Medium |
|---|---|---|
| Best for | general production evaluation | general production evaluation |
| Decision fit | Long context | General |
| Context window | 256k | 1k |
| Cheapest output | $1.32/1M tokens | - |
| Provider routes | 1 tracked | 0 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.
- Doubao Pro 256K has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Doubao Pro 256K for Long context.
- Use GPT-2 Medium when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
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
GPT-2 Medium
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 GPT-2 Medium; plan for SDK, billing, or endpoint changes.
- No overlapping tracked provider route is sourced for GPT-2 Medium and Doubao Pro 256K; plan for SDK, billing, or endpoint changes.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-05-15 | 2019-02-14 |
| Context window | 256k | 1k |
| Parameters | — | 355M |
| Architecture | Decoder Only | Decoder Only |
| License | Proprietary | MITOSI-approved |
| Openness | Proprietary | Open source |
| Weights | Not released | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | - | 2017-12 |
Pricing and availability
| Pricing attribute | Doubao Pro 256K | GPT-2 Medium |
|---|---|---|
| Input price | $0.73/1M tokens | - |
| Output price | $1.32/1M tokens | - |
| Providers | - |
Capabilities
| Capability | Doubao Pro 256K | GPT-2 Medium |
|---|---|---|
| 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: 2026-07-10. Data sourced from public model cards and provider documentation.