Model Comparison

Claude 3 Haiku vs GPT OSS 120B

GPT OSS 120B significantly outperforms across most benchmarks. GPT OSS 120B is 2.8x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude 3 Haiku outperforms in 0 benchmarks, while GPT OSS 120B is better at 2 benchmarks (GPQA, MMLU).

GPT OSS 120B significantly outperforms across most benchmarks.

Mon May 25 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT OSS 120B costs less

For input processing, Claude 3 Haiku ($0.25/1M tokens) is 2.8x more expensive than GPT OSS 120B ($0.09/1M tokens).

For output processing, Claude 3 Haiku ($1.25/1M tokens) is 2.8x more expensive than GPT OSS 120B ($0.45/1M tokens).

In conclusion, Claude 3 Haiku is more expensive than GPT OSS 120B.*

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

Lowest available price from all providers

Mon May 25 2026 • llm-stats.com

Claude 3 Haiku

Input tokens$0.25

Output tokens$1.25

Best providerAnthropic

GPT OSS 120B

Input tokens$0.09

Output tokens$0.45

Best providerDeepinfra

Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude 3 Haiku accepts 200,000 input tokens compared to GPT OSS 120B's 131,072 tokens. Claude 3 Haiku can generate longer responses up to 200,000 tokens, while GPT OSS 120B is limited to 131,072 tokens.

Claude 3 Haiku

Input200,000 tokens

Output200,000 tokens

GPT OSS 120B

Input131,072 tokens

Output131,072 tokens

Mon May 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Haiku supports multimodal inputs, whereas GPT OSS 120B does not.

Claude 3 Haiku can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 Haiku

Text

Images

Audio

Video

GPT OSS 120B

Text

Images

Audio

Video

License

Usage and distribution terms

Claude 3 Haiku is licensed under a proprietary license, while GPT OSS 120B uses Apache 2.0.

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

Claude 3 Haiku

Proprietary

Closed source

GPT OSS 120B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude 3 Haiku was released on 2024-03-13, while GPT OSS 120B was released on 2025-08-05.

GPT OSS 120B is 17 months newer than Claude 3 Haiku.

Claude 3 Haiku

Mar 13, 2024

2.2 years ago

GPT OSS 120B

Aug 5, 2025

9 months ago

1.4yr 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

Claude 3 Haiku is available from Anthropic, Bedrock, Google. GPT OSS 120B is available from DeepInfra, Novita, OpenAI, Fireworks, Groq.

Claude 3 Haiku

Anthropic

Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

AWS Bedrock

Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

Google

Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

GPT OSS 120B

Deepinfra

Input Price:Input: $0.09/1MOutput Price:Output: $0.45/1M

Novita

Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

OpenAI

Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

Fireworks

Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

Groq

Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Claude 3 Haiku

View details

Anthropic

Larger context window (200,000 tokens)

Supports multimodal inputs

GPT OSS 120B

View details

OpenAI

Less expensive input tokens

Less expensive output tokens

Has open weights

Higher GPQA score (80.1% vs 33.3%)

Higher MMLU score (90.0% vs 75.2%)

Detailed Comparison

AI Model Comparison Table
Feature	Claude 3 Haiku	GPT OSS 120B

FAQ

Common questions about Claude 3 Haiku vs GPT OSS 120B.

Which is better, Claude 3 Haiku or GPT OSS 120B?

GPT OSS 120B significantly outperforms across most benchmarks. Claude 3 Haiku is made by Anthropic and GPT OSS 120B is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3 Haiku compare to GPT OSS 120B in benchmarks?

Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%. GPT OSS 120B scores MMLU: 90.0%, CodeForces: 82.1%, GPQA: 80.1%, TAU-bench Retail: 67.8%, HealthBench: 57.6%.

Is Claude 3 Haiku cheaper than GPT OSS 120B?

GPT OSS 120B is 2.8x cheaper for input tokens. Claude 3 Haiku costs $0.25/M input and $1.25/M output via anthropic. GPT OSS 120B costs $0.09/M input and $0.45/M output via deepinfra.

What are the context window sizes for Claude 3 Haiku and GPT OSS 120B?

Claude 3 Haiku supports 200K tokens and GPT OSS 120B 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 Claude 3 Haiku and GPT OSS 120B?

Key differences include context window (200K vs 131K), input pricing ($0.25 vs $0.09/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Haiku and GPT OSS 120B?

Claude 3 Haiku is developed by Anthropic and GPT OSS 120B is developed by OpenAI.