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gpt-oss-120b (high)

open weights
OpenAI · released 2025-08-05 · 33 offers

Output 182 tokens/sFirst token 0.5 sContext 131K tokens

Top 5 cheapest providers (Adjusted $/task)

The same list price can give a different adjusted $/task (caching, token efficiency) — click a price for its inputs.

Within the active global provider, residency and confidentiality filters.

#ProviderAdjusted $/task
1AkashML
2CoreWeave
3DekaLLM
4DeepInfra
5DigitalOcean

Composite

4 of 7 inputs · 2 from the model family6 radar axes: DesignArena's two boards share one

25.6

includes −1.3 for its Benchmaxxing signal (from 26.9; why, switch off in Options)

AA CodingCoding Agent v1.4AA IntelligenceAA AgenticEpoch ECISoftware ECIDesignArenaAA Coding: percentile 37AA Intelligence: percentile 53AA Agentic: percentile 35Epoch ECI: percentile 22Software ECI: percentile 7

AA Coding 30.4Coding Agent v1.4 AA Intelligence 12.3AA Agentic 6.2Epoch ECI 140.1Software ECI 138.9DesignArena —/—

Radar: percentile among all models measured on each input; a gap means not measured.

Benchmark sheet

29 of 140 registered benchmark versions · bars show the percentile among all models measured on each benchmark.

Composite attachments (used in the score, not counted as exact benchmarks):
  • Epoch ECI · attached
  • Software ECI · attached
Compare this model →

Agentic

  • APEX-Agents-AA103.1%

    APEX-Agents-AA published 2026-09-10 · Published board — Tests professional-service tasks that require agents to produce locally graded deliverables.

  • GDPval-AA v235745 Elo

    GDPval-AA v2 v2 · Published board — Tests professional knowledge-work deliverables across occupations using AA's Stirrup harness.

  • Harvey LAB-AA013.9%

    Harvey LAB-AA published 2026-09-10 · Published board — Tests legal-work deliverables across practice areas on Harvey's private task set. Artificial Analysis' run, graded by one LLM judge against task rubrics — not the same run or scale as Vals AI's HLAB row.

  • ITBench-AA65.6%

    ITBench-AA published 2026-09-10 · Published board — Tests root-cause diagnosis from offline Kubernetes incident snapshots.

  • Terminal-Bench Hard (AA)6323.5%

    Terminal-Bench Hard (AA) pinned revision 74221fb · Published board — Tests a pinned 44-task hard subset of terminal-based work using Terminus 2.

  • Terminal-Bench v2.1 (AA)3026.2%

    Terminal-Bench v2.1 (AA) v2.1 · Published board — Tests terminal-based work on the 89-task verified refresh using Terminus 2.

  • Terminal-Bench v4.0 (AA)180.0%

    Terminal-Bench v4.0 (AA) v4.0 · Published board — Tests terminal-based work on the 66-task release using mini-SWE-agent v2.4.6.

  • τ²-Bench Airline (OpenRouter run)3764.1%

    τ²-Bench Airline (OpenRouter run) published 2026-09-15 · Published board — Multi-turn service agents making tool calls under strict policy constraints. (OpenRouter's own reproducible run, as published on openrouter.ai/benchmarks.)

  • AA Agentic Index356.20

    AA Agentic Index published 2026-09-18 · Published board — Artificial Analysis publishes one Agentic Index per model, measured on its primary configuration and relayed by OpenRouter's Benchmarks API; the value is attached at family scope on the deterministic representative. Artificial Analysis publishes this board without a version number; we keep the date each result was retained.

Coding

  • SciCode (AA subproblems) v1.0.11434.0%

    SciCode (AA subproblems) v1.0.1 · Published board — Tests scientific Python programming with scientist-annotated background information.

  • AA Coding Index3730.4

    AA Coding Index published 2026-09-19 · Published board — Artificial Analysis publishes this board without a version number; we keep the date each result was retained.

Efficiency

Instruction-following

Knowledge

Long-context

  • GDP.pdf (AA)284.0%

    GDP.pdf (AA) published 2026-09-10 · Published board — Tests professional reasoning over long PDFs with AA document preparation and grading.

  • AA-LCR v1.14852.0%

    AA-LCR v1.1 v1.1 · Published board — Tests reasoning across multiple long documents with corrected answer keys and grading.

  • MLCR-AA81.1%

    MLCR-AA published 2026-09-10 · Published board — Tests medical-record synthesis and reasoning across long, fragmented case documents.

Math

  • AIME 2025 (AA) v20259593.4%

    AIME 2025 (AA) v2025 · Published board — Advanced mathematical problem solving on AIME I and II 2025.

Reasoning

  • Mystery Game Puzzles (Epoch AI)00.0%

    Mystery Game Puzzles (Epoch AI) published 2026-09-18 · Published board — Best-move selection on 100 mid-game positions of a well-known game whose identity Epoch deliberately keeps undisclosed, generated programmatically like Chess Puzzles.

  • AA Intelligence Index5312.3

    AA Intelligence Index published 2026-09-19 · Published board — Artificial Analysis publishes this board without a version number; we keep the date each result was retained.

Safety/Alignment

Science

Tool-use

  • AutomationBench-AA v1.0.640.2%

    AutomationBench-AA v1.0.6 · Published board — Tests multi-app SaaS workflows through REST tools on a held-out AutomationBench split.

  • EnterpriseOps-Gym-AA425.5%

    EnterpriseOps-Gym-AA published 2026-09-10 · Published board — Tests enterprise workflows through MCP tools against resettable application environments.

  • τ²-Bench Telecom (AA)6065.8%

    τ²-Bench Telecom (AA) published 2026-09-10 · Published board — Tests dual-control telecom agents that coordinate tool use with a simulated user.

  • τ³-Banking (AA) v1.0.13712.8%

    τ³-Banking (AA) v1.0.1 · Published board — Tests banking support agents that retrieve policies and change account state through tools.

Unusual results

1 threshold-crossing signal flagged · 30 eligible benchmark families

How flags are calculated

Heuristic screen, not statistical significance: benchmark families are correlated and source uncertainty is unknown. Peer evidence needs ≥ 20 independently measured matched configurations from ≥ 10 distinct model families. A flag needs a directed population z-score of magnitude ≥ 1.5 and a gap of ≥ 1.5 from the leave-one-benchmark-family-out mean z in the same direction, over ≥ 5 other benchmark families.

  • unusually weak Harvey LAB-AA published 2026-09-10
    Why
    Observed: 0.13895 fraction
    Peer mean 0.79402 · peer sd 0.17289 · n 43 · families 38
    Directed z -3.789 · baseline z -0.432 · gap -3.357 · profile n 29
    0.13895 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
    Evidence
    Axis: Harvey LAB-AA · published 2026-09-10 · Published board
    Exact value: 0.138949196699957 fraction
    Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
    Observation id: aa:f0083258-8646-45b8-8082-7aaf6c2ea82a:harveyLab
Missing coverage · 114 benchmark versions

No result does not mean a zero, or that the model was never tested. Collection failures and disputed versions retain their distinct status.

Variants / reasoning settings

Artificial Analysis snapshot 2026-09-19 · Data: Artificial Analysis · Data: Epoch AI (CC BY)

VariantAA CodingAA Intelligence
gpt-oss-120b (high)30.412.3
gpt-oss-120b (low)21.210.2
Token offers by platform · 33 offers (Adjusted $/task)

Click any underlined price to see how it is estimated and where each input comes from. How we calculate adjusted cost.

33 offers within the active global filters; “—” means the catalog is active but no public token price is available.

OpenRouter (23)

AkashML
CoreWeave
DekaLLM
DeepInfra
DigitalOcean
Crusoe
Novita
Mancer 2
Parasail
BaseTen
SiliconFlow
Groq
Amazon Bedrock
Nebius
Amazon Bedrock
DeepInfra
Phala
SambaNova
DeepInfra
Cerebras
Google
Together
Mara

Google Vertex AI (1)

Google Vertex AI

OVHcloud (1)

OVHcloud

T-Systems LLM Hub (1)

T-Systems LLM Hub

TrustedTokens (1)

TrustedTokens

Azure AI Foundry (1)

Azure AI Foundry

Nebius (1)

Nebius

Scaleway (1)

Scaleway

IONOS (1)

IONOS

AWS Bedrock (1)

AWS Bedrock

STACKIT (1)

STACKIT
gpt-oss-120b (high) — benchmarks & cost | Benchmark Heaven