Bielik 11B v2.6 Instruct vs Codex 1
Bielik 11B v2.6 Instruct (2025) and Codex 1 (2025) compare a standalone API model against a coding-specialized model. Bielik 11B v2.6 Instruct ships a 4k-token context window, while Codex 1 ships a 192k-token context window. This page treats the result as workflow and deployment fit, not a universal model winner.
Treat this as a product-type comparison: Bielik 11B v2.6 Instruct is standalone API model, while Codex 1 is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive.
Decision scorecard
Local evidence first| Signal | Bielik 11B v2.6 Instruct | Codex 1 |
|---|---|---|
| Product type | Standalone API model | Coding-specialized model |
| Best for | general production evaluation | custom coding agents and code generation |
| Decision fit | General | Coding, Agents, and Long context |
| Context window | 4k | 192k |
| Cheapest output | - | - |
| Provider routes | 1 tracked | 0 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Bielik 11B v2.6 Instruct has broader tracked provider coverage for fallback and route flexibility.
- Codex 1 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Codex 1 uniquely exposes Reasoning and Code execution in local model data.
- Local decision data tags Codex 1 for Coding, Agents, and Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Bielik 11B v2.6 Instruct
Unavailable
No complete token price in local provider data
Codex 1
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 Bielik 11B v2.6 Instruct and Codex 1; plan for SDK, billing, or endpoint changes.
- Codex 1 adds Reasoning and Code execution in local capability data.
- No overlapping tracked provider route is sourced for Codex 1 and Bielik 11B v2.6 Instruct; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Reasoning and Code execution before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-03-01 | 2025-05-16 |
| Context window | 4k | 192k |
| Parameters | 11B | — |
| Architecture | Decoder Only | Decoder Only |
| License | Apache 2.0OSI-approved | Proprietary |
| Openness | Open source | Proprietary |
| Weights | Unknown | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: conditional |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Bielik 11B v2.6 Instruct | Codex 1 |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers | - |
Pricing not yet sourced for either model.
Capabilities
| Capability | Bielik 11B v2.6 Instruct | Codex 1 |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | Yes |
| JSON / Tool use | No | No |
| Structured outputs | No | No |
| Code execution | No | Yes |
| 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: 2026-09-08. Data sourced from public model cards and provider documentation.