Bielik 11B v2.6 Instruct vs Phi-4 Mini Flash Reasoning

Name: Bielik 11B v2.6 Instruct
Author: SpeakLeash

Bielik 11B v2.6 Instruct (2025) and Phi-4 Mini Flash Reasoning (2025) are frontier reasoning models from SpeakLeash and Microsoft Research. Bielik 11B v2.6 Instruct ships a 4k-token context window, while Phi-4 Mini Flash Reasoning ships a 128k-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.

Phi-4 Mini Flash Reasoning fits 32x more tokens; pick it for long-context work and Bielik 11B v2.6 Instruct for tighter calls.

Decision scorecard

Local evidence first

Signal	Bielik 11B v2.6 Instruct	Phi-4 Mini Flash Reasoning	How to read it
Best for	general production evaluation	reasoning-heavy apps	Use-case synthesis from product type, capability flags, context, and provider data.
Decision fit	General	Long context	Primary workload tags from local decision data.
Context window	4k	128k	Higher is better when prompts, retrieval chunks, or transcripts are large.
Cheapest output	-	-	Cheapest tracked provider route; verify your exact region and tier.
Provider routes	1 tracked	1 tracked	Broader coverage can reduce vendor lock-in and fallback risk.
Shared benchmarks	0 shared	0 shared	No shared benchmark scores are available for this pair yet.

Decision tradeoffs

Choose Bielik 11B v2.6 Instruct when...

Use Bielik 11B v2.6 Instruct when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.

Choose Phi-4 Mini Flash Reasoning when...

Phi-4 Mini Flash Reasoning has the larger context window for long prompts, retrieval packs, or transcript analysis.
Phi-4 Mini Flash Reasoning uniquely exposes Reasoning in local model data.
Local decision data tags Phi-4 Mini Flash Reasoning for Long context.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Requests / monthInput tokens / requestOutput tokens / request

Bielik 11B v2.6 Instruct

Unavailable

No complete token price in local provider data

Phi-4 Mini Flash Reasoning

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Bielik 11B v2.6 Instruct -> Phi-4 Mini Flash Reasoning

Provider overlap exists on NVIDIA NIM; start route-level A/B tests there.
Phi-4 Mini Flash Reasoning adds Reasoning in local capability data.

Phi-4 Mini Flash Reasoning -> Bielik 11B v2.6 Instruct

Provider overlap exists on NVIDIA NIM; start route-level A/B tests there.
Check replacement coverage for Reasoning before moving production traffic.

Specs

Specification	Bielik 11B v2.6 Instruct SpeakLeash	Phi-4 Mini Flash Reasoning Microsoft Research
Released	2025-03-01	2025-12-01
Context window	4k	128k
Parameters	11B	3.8B
Architecture	Decoder Only	Decoder Only
License	Apache 2.0OSI-approved	MITOSI-approved
Openness	Open source	Open source
Weights	Unknown	Unknown
Code	Unknown	Unknown
Commercial use	Commercial use: permitted	Commercial use: permitted
Knowledge cutoff	-	2025-02

Pricing and availability

Pricing attribute	Bielik 11B v2.6 Instruct	Phi-4 Mini Flash Reasoning
Input price	-	-
Output price	-	-
Providers	NVIDIA NIM	NVIDIA NIM

Pricing not yet sourced for either model.

Capabilities

Capability	Bielik 11B v2.6 Instruct	Phi-4 Mini Flash Reasoning
Vision	No	No
Multimodal	No	No
Reasoning	No	Yes
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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Model pages

Labs and families

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Last reviewed: 2026-09-08. Data sourced from public model cards and provider documentation.

Both models

Bielik 11B v2.6 Instruct Phi-4 Mini Flash Reasoning