GPT-2 vs Mistral Small 3
GPT-2 (2019) and Mistral Small 3 (2025) are compact production models from OpenAI and MistralAI. GPT-2 ships a 1k-token context window, while Mistral Small 3 ships a 33k-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.
Mistral Small 3 fits 33x more tokens; pick it for long-context work and GPT-2 for tighter calls.
Decision scorecard
Local evidence first| Signal | GPT-2 | Mistral Small 3 |
|---|---|---|
| Best for | general production evaluation | tool-calling agents and provider-routed production |
| Decision fit | General | Agents, Classification, and JSON / Tool use |
| Context window | 1k | 33k |
| Cheapest output | - | $0.30/1M 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.
- Mistral Small 3 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Mistral Small 3 has broader tracked provider coverage for fallback and route flexibility.
- Mistral Small 3 uniquely exposes JSON / Tool use and Structured outputs in local model data.
- Local decision data tags Mistral Small 3 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.
GPT-2
Unavailable
No complete token price in local provider data
Mistral Small 3
$155
Cheapest tracked route/tier: Together AI
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 Mistral Small 3; plan for SDK, billing, or endpoint changes.
- Mistral Small 3 adds JSON / Tool use and Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Mistral Small 3 and GPT-2; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for JSON / Tool use and Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2019-02-14 | 2025-01-01 |
| Context window | 1k | 33k |
| Parameters | 124M | 24B |
| Architecture | Decoder Only | Decoder Only |
| License | MITOSI-approved | Apache 2.0OSI-approved |
| Openness | Open source | Open source |
| Weights | Unknown | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: permitted |
| Knowledge cutoff | 2017-12 | 2023-10 |
Pricing and availability
| Pricing attribute | GPT-2 | Mistral Small 3 |
|---|---|---|
| Input price | - | $0.10/1M tokens |
| Output price | - | $0.30/1M tokens |
| Providers | - |
Capabilities
| Capability | GPT-2 | Mistral Small 3 |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| JSON / 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 scores are currently available for this pair.
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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.