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gpt-oss-20b (High)

open weights
OpenAI · released 2025-08-05 · 15 offers

Output 169 tokens/sFirst token 0.4 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
1PrimeIntellectvia OpenRouter — Price via OpenRouter: OpenRouter's price for PrimeIntellect's endpoint (https://openrouter.ai/openai/gpt-oss-20b/providers), collected 2026-11-03.
2AkashMLvia OpenRouter — Price via OpenRouter: OpenRouter's price for AkashML's endpoint (https://openrouter.ai/openai/gpt-oss-20b/providers), collected 2026-11-03.
3Parasailvia OpenRouter — Price via OpenRouter: OpenRouter's price for Parasail's endpoint (https://openrouter.ai/openai/gpt-oss-20b/providers), collected 2026-11-03.
4DekaLLMvia OpenRouter — Price via OpenRouter: OpenRouter's price for DekaLLM's endpoint (https://openrouter.ai/openai/gpt-oss-20b/providers), collected 2026-11-03.
5CoreWeavevia OpenRouter — Price via OpenRouter: OpenRouter's price for CoreWeave's endpoint (https://openrouter.ai/openai/gpt-oss-20b/providers), collected 2026-11-03.

Composite

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

12.1

AA Coding v4.xCoding Agent v1.4AA Intelligence (est.)AA AgenticEpoch ECISoftware ECIDesignArenaAA Coding v4.x: percentile 23AA Intelligence (est.): percentile 36AA Agentic: percentile 21Epoch ECI: percentile 11Software ECI: percentile 3

AA Coding v4.x 20.7Coding Agent v1.4 —AA Intelligence (est.) 4.1AA Agentic 1.4Epoch ECI 137.8Software ECI 136.7DesignArena —/—

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

Benchmark sheet

24 of 319 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-AA00.7%

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

  • GDPval-AA v223514 Elo

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

  • Terminal-Bench Hard (AA)4510.6%

    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)2113.9%

    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)2551.4%

    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 Index211.40

    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) v1.0.12338.9%

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

  • AA Coding Index v4.x · frozen 2026-10-272320.7

    AA Coding Index v4.x · frozen 2026-10-27 → · Published board — Artificial Analysis withdrew the Coding Index with Intelligence Index v5.0 (2026-10-28). These are the last v4.x values, frozen with their own date (2026-10-27).

Efficiency

Instruction-following

Knowledge

Long-context

  • GDP.pdf (AA)202.0%

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

  • AA-LCR v1.13434.7%

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

  • MLCR-AA50.6%

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

Math

  • AIME 2025 (AA)8989.3%

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

Reasoning

  • Chess Puzzles (Epoch AI)30.0%

    Chess Puzzles (Epoch AI) published 2026-09-18 → · Published board — Best-move selection on 100 novel chess positions generated programmatically by Epoch AI, each with a single Stockfish-verified best move; probes spatial reasoning and planning.

Science

Tool-use

  • AutomationBench-AA v1.0.610.2%

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

  • τ²-Bench Telecom (AA)5760.2%

    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) v1.0.1217.0%

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

Missing coverage · 295 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 2026-11-03 · Intelligence Index v5.0 (est. = estimated from v4, not measured) · Coding Index v4.x frozen 2026-10-27 · Data: Artificial Analysis · Data: Epoch AI (CC BY)

VariantAA CodingAA Intelligence
gpt-oss-20b (High)20.74.1est.
gpt-oss-20b (Low)—4.6est.
Token offers by platform · 14 offers (Adjusted $/task)

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

14 offers within the active global filters, 1 more outside them; “price n/a” means the provider serves the model but publishes no direct token price we could collect — no other channel's price is shown in its place.

OpenRouter (10)

Prices via OpenRouter — what OpenRouter charges for each provider's endpoint, not the provider's own direct price. Source: openrouter.ai/openai/gpt-oss-20b/providers, collected 2026-11-03.

PrimeIntellect
AkashML
Parasail
DekaLLM
CoreWeave
DeepInfra
Groq
Amazon Bedrock
Amazon Bedrock
SiliconFlow

OVHcloud (1)

Direct prices from OVHcloud's own price list. Source: www.ovhcloud.com/en/public-cloud/ai-endpoints/catalog/, collected 2026-11-03.

OVHcloud

Google Vertex AI (1)

Direct prices from Google Vertex AI's own price list. Source: cloud.google.com/vertex-ai/generative-ai/pricing, collected 2026-11-03.

Google Vertex AI

AWS Bedrock (1)

Direct prices from AWS Bedrock's own price list. Source: aws.amazon.com/bedrock/pricing/, collected 2026-11-03.

AWS Bedrock

STACKIT (1)

Direct prices from STACKIT's own price list. Source: docs.stackit.cloud/products/data-and-ai/ai-model-serving/basics/available-shared-models/, collected 2026-11-03.

STACKIT
gpt-oss-20b (High) — benchmarks & cost | Benchmark Heaven