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Phi 4 vs Pixtral-12B

Phi 4 leads the LLM Stats Score 5.4 to -1.6. Phi 4 is 1.7x cheaper per token.

Microsoft · Mistral AI · Updated for 2026

Which is better?

Phi 4 leads the overall LLM Stats Score 5.4 to -1.6, ranking #296 overall.

In the 4 individual benchmarks reported for both models, Phi 4 wins 4; this is a narrower head-to-head signal than the composite indexes.

On price, Phi 4 is roughly 1.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Pixtral-12B also accepts a larger context window (128,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Phi 4

  • overall performance matters — it scores 5.4 and ranks #296 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results
  • cost matters — it's about 1.7x cheaper per token
  • you want the most recent training data — it shipped Dec 2024

Choose Pixtral-12B

  • you process long inputs — it offers a 128,000 token context window

At a glance

The differences that matter most.

Core performance indexes
5.4
#296
-1.6
#336
6.5
#287
-3.8
#338
3.4
#217
-2.6
#250
Cost, coverage & limits
Benchmark wins
4 of 4
0 of 4
Input price
$0.07 / M
$0.15 / M
Output price
$0.14 / M
$0.15 / M
Context window
16,384
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Phi 4
Pixtral-12B
12.8#230
1.0#295
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Phi 4 · 12 for Pixtral-12B

4 shared

Phi 4 outperforms in 4 benchmarks (HumanEval, IFEval, MATH, MMLU), while Pixtral-12B is better at 0 benchmarks.

Phi 4 significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Phi 4 costs less

For input processing, Phi 4 ($0.07/1M tokens) is 2.1x cheaper than Pixtral-12B ($0.15/1M tokens).

For output processing, Phi 4 ($0.14/1M tokens) is 1.1x cheaper than Pixtral-12B ($0.15/1M tokens).

In conclusion, Pixtral-12B is more expensive than Phi 4.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
Microsoft
Phi 4
Input tokens$0.07
Output tokens$0.14
Best providerDeepinfra
Mistral AI
Pixtral-12B
Input tokens$0.15
Output tokens$0.15
Best providerMistral
Notice missing or incorrect data?Start an Issue

Model Size

Parameter count comparison

2.3B diff

Phi 4 has 2.3B more parameters than Pixtral-12B, making it 18.5% larger.

Microsoft
Phi 4
14.7Bparameters
Mistral AI
Pixtral-12B
12.4Bparameters
14.7B
Phi 4
12.4B
Pixtral-12B

Context Window

Maximum input and output token capacity

Pixtral-12B accepts 128,000 input tokens compared to Phi 4's 16,384 tokens. Phi 4 can generate longer responses up to 16,384 tokens, while Pixtral-12B is limited to 8,192 tokens.

Microsoft
Phi 4
Input16,384 tokens
Output16,384 tokens
Mistral AI
Pixtral-12B
Input128,000 tokens
Output8,192 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Pixtral-12B supports multimodal inputs, whereas Phi 4 does not.

Pixtral-12B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Phi 4

Text
Images
Audio
Video

Pixtral-12B

Text
Images
Audio
Video

License

Usage and distribution terms

Phi 4 is licensed under MIT, while Pixtral-12B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Phi 4

MIT

Open weights

Pixtral-12B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Phi 4 was released on 2024-12-12, while Pixtral-12B was released on 2024-09-17.

Phi 4 is 3 months newer than Pixtral-12B.

Phi 4

Dec 12, 2024

1.8 years ago

2mo newer
Pixtral-12B

Sep 17, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

Phi 4 has a documented knowledge cutoff of 2024-06-01, while Pixtral-12B's cutoff date is not specified.

We can confirm Phi 4's training data extends to 2024-06-01, but cannot make a direct comparison without Pixtral-12B's cutoff date.

Phi 4

Jun 2024

Pixtral-12B

Provider Availability

Phi 4 is available from DeepInfra. Pixtral-12B is available from Mistral AI.

Phi 4

deepinfra logo
Deepinfra
Input Price:Input: $0.07/1MOutput Price:Output: $0.14/1M

Pixtral-12B

mistral logo
Mistral
Input Price:Input: $0.15/1MOutput Price:Output: $0.15/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Phi 4 and Pixtral-12B side-by-side, then vote on the output you prefer.

Phi 4
✓ Preferred
Pixtral-12B
Open in Playground

FAQ

Common questions about Phi 4 vs Pixtral-12B.

Which is better, Phi 4 or Pixtral-12B?

Phi 4 leads the LLM Stats Score 5.4 to -1.6. Phi 4 is made by Microsoft and Pixtral-12B is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Phi 4 compare to Pixtral-12B in benchmarks?

Phi 4 scores MMLU: 84.8%, HumanEval+: 82.8%, HumanEval: 82.6%, MGSM: 80.6%, MATH: 80.4%. Pixtral-12B scores DocVQA: 90.7%, ChartQA: 81.8%, VQAv2: 78.6%, MT-Bench: 76.8%, HumanEval: 72.0%.

Is Phi 4 cheaper than Pixtral-12B?

Phi 4 is 2.1x cheaper for input tokens. Phi 4 costs $0.07/M input and $0.14/M output via deepinfra. Pixtral-12B costs $0.15/M input and $0.15/M output via mistral.

What are the context window sizes for Phi 4 and Pixtral-12B?

Phi 4 supports 16K tokens and Pixtral-12B supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Phi 4 and Pixtral-12B?

Key differences include LLM Stats Score (5.4 vs -1.6), context window (16K vs 128K), input pricing ($0.07 vs $0.15/M), multimodal support (no vs yes), licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Phi 4 and Pixtral-12B?

Phi 4 is developed by Microsoft and Pixtral-12B is developed by Mistral AI.