GPT-2 vs Nemotron 4 340B
GPT-2 (2019) and Nemotron 4 340B (2025) are compact production models from OpenAI and NVIDIA AI. GPT-2 ships a 1k-token context window, while Nemotron 4 340B ships a 4k-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.
Nemotron 4 340B fits 4x more tokens; pick it for long-context work and GPT-2 for tighter calls.
Decision scorecard
Local evidence first| Signal | GPT-2 | Nemotron 4 340B |
|---|---|---|
| Best for | general production evaluation | provider-routed production |
| Decision fit | General | Classification and JSON / Tool use |
| Context window | 1k | 4k |
| Cheapest output | - | $4.20/1M tokens |
| Provider routes | 0 tracked | 2 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Use GPT-2 when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
- Nemotron 4 340B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Nemotron 4 340B has broader tracked provider coverage for fallback and route flexibility.
- Nemotron 4 340B uniquely exposes Structured outputs in local model data.
- Local decision data tags Nemotron 4 340B for 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.
GPT-2
Unavailable
No complete token price in local provider data
Nemotron 4 340B
$4,410
Cheapest tracked route/tier: DeepInfra
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for GPT-2 and Nemotron 4 340B; plan for SDK, billing, or endpoint changes.
- Nemotron 4 340B adds Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Nemotron 4 340B and GPT-2; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2019-02-14 | 2025-02-27 |
| Context window | 1k | 4k |
| Parameters | 124M | 340B |
| Architecture | Decoder Only | Decoder Only |
| License | MITOSI-approved | NVIDIA Open Model |
| Openness | Open source | Open weights |
| Weights | Unknown | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: permitted |
| Knowledge cutoff | 2017-12 | - |
Pricing and availability
| Pricing attribute | GPT-2 | Nemotron 4 340B |
|---|---|---|
| Input price | - | $4.20/1M tokens |
| Output price | - | $4.20/1M tokens |
| Providers | - |
Capabilities
| Capability | GPT-2 | Nemotron 4 340B |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| JSON / Tool use | No | No |
| Structured outputs | No | Yes |
| 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: 2026-06-15. Data sourced from public model cards and provider documentation.