Model profile
openai

OpenAI: gpt-oss-120b

OpenAI: gpt-oss-120b is a budget text-first model from openai with a fast runtime profile, extended context posture, and the clearest fit around long-context research / agent workflows.

Best for: Long-context research / Agent workflowsFast latencyExtended contextBudget pricing
Intelligence
24.5

Benchmark blend

Coding
28.6

Dev workflow signal

Context
131K Tokens

Extended

Input Price
$0.15

Budget tier

Decision snapshot
56

OpenAI: gpt-oss-120b currently reads as a budget text-first option with extended context and a fast runtime profile.

Overall profile
Selective fit
Best for
Long-context research / Agent workflows
Latency tier
Fast
Price tier
Budget
Source coverage
OpenRouterArtificial Analysis

Decision Strip

Decision rail before the raw tables

Core buy-side signals stay in one pass. The rest of the page expands only after intelligence, speed, context, and price are clear.

Intelligence
24.5
25

General reasoning and benchmark headroom.

Limited
Speed
282 tok/s
98

TTFT 0.52s

Above average
Context
131K Tokens
76

How much prompt and task state can stay in view.

Competitive
Price
$0.15
86

$0.60 output / 1M

Efficient

Editorial Profile

OpenAI: gpt-oss-120b in one narrative

Positioning, tradeoffs, and fit are consolidated into one read instead of repeating the same story across separate cards.

Selective fitCoding score 29Math score 93

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized to run on a single H100 GPU with native MXFP4 quantization. The model supports configurable reasoning depth, full chain-of-thought access, and native tool use, including function calling, browsing, and structured output generation.

Identity

openai text-first profile

Positioning

Long-context research / Agent workflows with extended context and fast runtime.

Cost posture

Efficient spend profile. More comfortable for sustained prompt volume if the capability fit is right.

Strengths
  • Large context headroom supports repo-wide prompts and long research sessions.

  • Latency and throughput look responsive enough for interactive loops.

Tradeoffs
  • Budget-friendly input pricing is a strength, but raw capability may vary by workload.

  • Current metadata points to a text-first profile rather than a broad multimodal one.

Best fit
  • Long-context summarization, repo analysis, and policy or document review.

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Benchmarks

Grouped by job-to-be-done

Only benchmark categories with actual signal are shown. Secondary values stay as simple definitions instead of nested micro-cards.

General intelligence

Broad reasoning, knowledge depth, and flagship benchmark posture.

Intelligence Index
24.5
MMLU Pro
77.5%
GPQA
67.2%
HLE
18.5%
Coding

Software implementation, debugging quality, and coding benchmark signal.

Coding Index
28.6
LiveCodeBench
0.878
SciCode
38.9%
Math

Formal reasoning, structured problem solving, and competition-style math.

Math Index
93.4
AIME 2025
93.4%
Agent / tool use

Long-horizon execution quality and interactive benchmark evidence.

IFBench
69.0%
TAU2
65.8%
TerminalBench Hard
23.5%
LCR
50.7%

Specs & Pricing

Technical snapshot and cost posture

Specs stay neutral, pricing gets emphasis through values rather than extra containers. Raw provider internals remain in metadata at the end.

Technical snapshot
Context Window
131K Tokens
Vision
Text-first
Modalities
text->text, text
Tokenizer
GPT
Moderation
No
Supported Parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Input Modalities
text
Output Modalities
text
Price architecture
Input
per 1M input tokens
$0.15
Output
per 1M output tokens
$0.60
Blended
AA 3:1 mix
$0.26

This model is relatively efficient on price. It is the easier fit when sustained prompt volume matters.

Metadata

Raw source tables at the end

Verification details remain available, but the page no longer forces them ahead of the editorial read.