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DeepSeek-R1-0528 vs GPT OSS 120B High

DeepSeek-R1-0528 and GPT OSS 120B High are closely matched at 24.1 and 25.4 on the LLM Stats Score. GPT OSS 120B High is 4.6x cheaper per token.

DeepSeek · OpenAI · Updated for 2026

Which is better?

DeepSeek-R1-0528 and GPT OSS 120B High are closely matched on the overall LLM Stats Score at 24.1 and 25.4.

In the 3 individual benchmarks reported for both models, DeepSeek-R1-0528 wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, GPT OSS 120B High is roughly 4.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

DeepSeek-R1-0528 also accepts a larger context window (163,840 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 DeepSeek-R1-0528

  • you value its reported benchmark strengths — it wins 2 of 3 exact shared results
  • you process long inputs — it offers a 163,840 token context window

Choose GPT OSS 120B High

  • cost matters — it's about 4.6x cheaper per token
  • you want the most recent training data — it shipped Aug 2025

At a glance

The differences that matter most.

Core performance indexes
24.1
#173
25.4
#164
23.7
#169
25.6
#156
-12.0
#190
3.0
#168
Cost, coverage & limits
Benchmark wins
2 of 3
1 of 3
Input price
$0.50 / M
$0.10 / M
Output price
$2.15 / M
$0.50 / M
Context window
163,840
131,072

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
DeepSeek-R1-0528
GPT OSS 120B High
26.2#105
24.1#121
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for DeepSeek-R1-0528 · 7 for GPT OSS 120B High

3 shared

DeepSeek-R1-0528 outperforms in 2 benchmarks (GPQA, MMLU-Pro), while GPT OSS 120B High is better at 1 benchmark (AIME 2025).

DeepSeek-R1-0528 shows notably better performance in the majority of benchmarks.

Wed Sep 23 2026 • llm-stats.com

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, DeepSeek-R1-0528 ($0.50/1M tokens) is 5.0x more expensive than GPT OSS 120B High ($0.10/1M tokens).

For output processing, DeepSeek-R1-0528 ($2.15/1M tokens) is 4.3x more expensive than GPT OSS 120B High ($0.50/1M tokens).

In conclusion, DeepSeek-R1-0528 is more expensive than GPT OSS 120B High.*

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

Lowest available price from all providers
Wed Sep 23 2026 • llm-stats.com
DeepSeek
DeepSeek-R1-0528
Input tokens$0.50
Output tokens$2.15
Best providerDeepinfra
OpenAI
GPT OSS 120B High
Input tokens$0.10
Output tokens$0.50
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Model Size

Parameter count comparison

554.2B diff

DeepSeek-R1-0528 has 554.2B more parameters than GPT OSS 120B High, making it 474.5% larger.

DeepSeek
DeepSeek-R1-0528
671.0Bparameters
OpenAI
GPT OSS 120B High
116.8Bparameters
671.0B
DeepSeek-R1-0528
116.8B
GPT OSS 120B High

Context Window

Maximum input and output token capacity

DeepSeek-R1-0528 accepts 163,840 input tokens compared to GPT OSS 120B High's 131,072 tokens. DeepSeek-R1-0528 can generate longer responses up to 163,840 tokens, while GPT OSS 120B High is limited to 131,072 tokens.

DeepSeek
DeepSeek-R1-0528
Input163,840 tokens
Output163,840 tokens
OpenAI
GPT OSS 120B High
Input131,072 tokens
Output131,072 tokens
Wed Sep 23 2026 • llm-stats.com

License

Usage and distribution terms

DeepSeek-R1-0528 is licensed under MIT, while GPT OSS 120B High uses Apache 2.0.

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

DeepSeek-R1-0528

MIT

Open weights

GPT OSS 120B High

Apache 2.0

Open weights

Release Timeline

When each model was launched

DeepSeek-R1-0528 was released on 2025-05-28, while GPT OSS 120B High was released on 2025-08-05.

GPT OSS 120B High is 2 months newer than DeepSeek-R1-0528.

DeepSeek-R1-0528

May 28, 2025

1.3 years ago

GPT OSS 120B High

Aug 5, 2025

1.1 years ago

2mo 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

DeepSeek-R1-0528 is available from DeepInfra, DeepSeek, Novita. GPT OSS 120B High is available from OpenAI, Fireworks.

DeepSeek-R1-0528

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $2.15/1M
deepseek logo
DeepSeek
Input Price:Input: $0.55/1MOutput Price:Output: $2.19/1M
novita logo
Novita
Input Price:Input: $0.70/1MOutput Price:Output: $2.50/1M

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
* 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 DeepSeek-R1-0528 and GPT OSS 120B High side-by-side, then vote on the output you prefer.

DeepSeek-R1-0528
✓ Preferred
GPT OSS 120B High
Open in Playground

FAQ

Common questions about DeepSeek-R1-0528 vs GPT OSS 120B High.

Which is better, DeepSeek-R1-0528 or GPT OSS 120B High?

DeepSeek-R1-0528 and GPT OSS 120B High are closely matched on the LLM Stats Score at 24.1 and 25.4. DeepSeek-R1-0528 is made by DeepSeek and GPT OSS 120B High is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek-R1-0528 compare to GPT OSS 120B High in benchmarks?

DeepSeek-R1-0528 scores MMLU-Redux: 93.4%, SimpleQA: 92.3%, AIME 2024: 91.4%, AIME 2025: 87.5%, MMLU-Pro: 85.0%. GPT OSS 120B High scores AIME 2025: 92.5%, MMMLU: 83.8%, LiveCodeBench v6: 81.9%, GPQA: 80.9%, MMLU-Pro: 80.7%.

Is DeepSeek-R1-0528 cheaper than GPT OSS 120B High?

GPT OSS 120B High is 5.0x cheaper for input tokens. DeepSeek-R1-0528 costs $0.50/M input and $2.15/M output via deepinfra. GPT OSS 120B High costs $0.10/M input and $0.50/M output via openai.

What are the context window sizes for DeepSeek-R1-0528 and GPT OSS 120B High?

DeepSeek-R1-0528 supports 164K tokens and GPT OSS 120B High supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-R1-0528 and GPT OSS 120B High?

Key differences include LLM Stats Score (24.1 vs 25.4), context window (164K vs 131K), input pricing ($0.50 vs $0.10/M), licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-R1-0528 and GPT OSS 120B High?

DeepSeek-R1-0528 is developed by DeepSeek and GPT OSS 120B High is developed by OpenAI.