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GPT OSS 120B High vs Mistral Large 4

Mistral Large 4 leads the LLM Stats Score 46.2 to 25.4. GPT OSS 120B High is 5.2x cheaper per token.

OpenAI · Mistral AI · Updated for 2026

Which is better?

Mistral Large 4 leads the overall LLM Stats Score 46.2 to 25.4, ranking #34 overall.

On price, GPT OSS 120B High is roughly 5.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Mistral Large 4 also accepts a larger context window (1,000,000 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 GPT OSS 120B High

  • cost matters — it's about 5.2x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose Mistral Large 4

  • overall performance matters — it scores 46.2 and ranks #34 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
25.4
#173
46.2
#34
25.6
#165
44.0
#43
2.9
#177
34.3
#26
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
$0.68 / M
Output price
$0.50 / M
$2.09 / M
Context window
131,072
1,000,000

Individual benchmarks

7 reported for GPT OSS 120B High · 18 for Mistral Large 4

No common benchmarks found

GPT OSS 120B High and Mistral Large 4don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

GPT OSS 120B High costs less

For input processing, GPT OSS 120B High ($0.10/1M tokens) is 6.8x cheaper than Mistral Large 4 ($0.68/1M tokens).

For output processing, GPT OSS 120B High ($0.50/1M tokens) is 4.2x cheaper than Mistral Large 4 ($2.09/1M tokens).

In conclusion, Mistral Large 4 is more expensive than GPT OSS 120B High.*

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

Lowest available price from all providers
Fri Oct 09 2026 • llm-stats.com
OpenAI
GPT OSS 120B High
Input tokens$0.10
Output tokens$0.50
Best providerOpenAI
Mistral AI
Mistral Large 4
Input tokens$0.68
Output tokens$2.09
Best providerMistral
Notice missing or incorrect data?

Model Size

Parameter count comparison

933.2B diff

Mistral Large 4 has 933.2B more parameters than GPT OSS 120B High, making it 799.0% larger.

OpenAI
GPT OSS 120B High
116.8Bparameters
Mistral AI
Mistral Large 4
1.1Tparameters
116.8B
GPT OSS 120B High
1050.0B
Mistral Large 4

Context Window

Maximum input and output token capacity

Mistral Large 4 accepts 1,000,000 input tokens compared to GPT OSS 120B High's 131,072 tokens. Only GPT OSS 120B High specifies output context (131,072 tokens).

OpenAI
GPT OSS 120B High
Input131,072 tokens
Output131,072 tokens
Mistral AI
Mistral Large 4
Input1,000,000 tokens
Output- tokens
Fri Oct 09 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Mistral Large 4 supports multimodal inputs, whereas GPT OSS 120B High does not.

Mistral Large 4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT OSS 120B High

Text
Images
Audio
Video

Mistral Large 4

Text
Images
Audio
Video

License

Usage and distribution terms

GPT OSS 120B High is licensed under Apache 2.0, while Mistral Large 4 uses a proprietary license.

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

GPT OSS 120B High

Apache 2.0

Open weights

Mistral Large 4

Proprietary

Closed source

Release Timeline

When each model was launched

GPT OSS 120B High was released on 2025-08-05, while Mistral Large 4 was released on 2026-10-06.

Mistral Large 4 is 14 months newer than GPT OSS 120B High.

GPT OSS 120B High

Aug 5, 2025

1.2 years ago

Mistral Large 4

Oct 6, 2026

2 days ago

1.2yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

GPT OSS 120B High is available from OpenAI, Fireworks. Mistral Large 4 is available from Mistral AI.

GPT OSS 120B High

openai logo
OpenAI
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M
fireworks logo
Fireworks
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

Mistral Large 4

mistral logo
Mistral
Input Price:Input: $0.68/1MOutput Price:Output: $2.09/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT OSS 120B High and Mistral Large 4 side-by-side, then vote on the output you prefer.

GPT OSS 120B High
✓ Preferred
Mistral Large 4
Open in Playground

FAQ

Common questions about GPT OSS 120B High vs Mistral Large 4.

Which is better, GPT OSS 120B High or Mistral Large 4?

Mistral Large 4 leads the LLM Stats Score 46.2 to 25.4. GPT OSS 120B High is made by OpenAI and Mistral Large 4 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 GPT OSS 120B High compare to Mistral Large 4 in benchmarks?

GPT OSS 120B High scores AIME 2025: 92.5%, MMMLU: 83.8%, LiveCodeBench v6: 81.9%, GPQA: 80.9%, MMLU-Pro: 80.7%. Mistral Large 4 scores B3 AI Security Benchmark: 93.3%, CyBench: 93.0%, SciCode: 91.8%, KORABench: 84.5%, CyberGym: 82.0%.

Is GPT OSS 120B High cheaper than Mistral Large 4?

GPT OSS 120B High is 6.8x cheaper for input tokens. GPT OSS 120B High costs $0.10/M input and $0.50/M output via openai. Mistral Large 4 costs $0.68/M input and $2.09/M output via mistral.

What are the context window sizes for GPT OSS 120B High and Mistral Large 4?

GPT OSS 120B High supports 131K tokens and Mistral Large 4 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT OSS 120B High and Mistral Large 4?

Key differences include LLM Stats Score (25.4 vs 46.2), context window (131K vs 1.0M), input pricing ($0.10 vs $0.68/M), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT OSS 120B High and Mistral Large 4?

GPT OSS 120B High is developed by OpenAI and Mistral Large 4 is developed by Mistral AI.