openai

OpenAI: gpt-oss-120b

The OpenAI gpt-oss-120b is designed for handling text inputs with a context length of 131,072 tokens and supports reasoning and tools. Its structured output capability remains unverified, though it excels in certain benchmarks. For those requiring extensive text-based processing, this model offers robust support. Given its blended benchmark score of 43.1 across five independent tests, the gpt-oss-120b is a solid choice for applications that demand high performance in text understanding and generation. Its pricing at $0.03 per million input tokens and $0.17 per million output tokens makes it cost-effective for moderate to large-scale projects. This model should be considered by users seeking balanced performance and value, particularly in scenarios involving complex text-based tasks.

Quality Score
91/100
price + capability + benchmarks
Input Price
$0.03
per 1M tokens
Output Price
$0.17
per 1M tokens
Context Window
131,072
tokens

Benchmark results

Independent, published benchmarks. Blended score 43.1 across 5 benchmarks, last refreshed 2026-08-13. How scoring works →

BenchmarkMeasuresScore
Aider Polyglot code editing across languages 41.8
AI Index broad capability composite 39.8
AI Index Coding software engineering tasks 50.2
AI Index Agentic multi-step tool-using tasks 22.2
EQ-Bench emotional understanding in dialogue 53.4
Model ID
openai/gpt-oss-120b
Vendor
openai
Released
August 2025
Tokenizer
GPT
Input Modalities
text
Output Modalities
text
Max Output
131,072 tokens
Tool Calling
✓ supported
Structured Output
✓ supported
Reasoning Mode
✓ supported
Vision
text only
Audio
no
Moderated
no

What it costs in practice

Computed from the current $0.03/M input and $0.17/M output rates. Run your own numbers →

JobTokensCost
Summarize a 50-page report 30k in / 1.5k out under $0.01
Classify 1,000 customer emails 500k in / 50k out $0.02
A month of a busy support chatbot 5M in / 2M out $0.49

Price & spec history

Tracked daily by PicksByModel since 2026-07-17.

DateInput /MOutput /MContext
2026-08-12 $0.03 $0.17 131,072
2026-07-17 $0.04 $0.17 131,072

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Quick answers

How much does OpenAI: gpt-oss-120b cost?
$0.03 per million input tokens and $0.17 per million output tokens.
What is OpenAI: gpt-oss-120b's context window?
131,072 tokens, roughly 196 pages of text in a single request.
Does OpenAI: gpt-oss-120b support tool calling?
It supports tool calling, structured output, a reasoning mode.
Can OpenAI: gpt-oss-120b process images?
No, it is text-only on the input side.