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gpt-oss-20b (Low)

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

Output 257 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
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

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

12.9

AA Coding v4.xCoding Agent v1.4AA Intelligence (est.)AA AgenticEpoch ECISoftware ECIDesignArenaAA Intelligence (est.): percentile 41Epoch ECI: percentile 11Software ECI: percentile 3

AA Coding v4.x —Coding Agent v1.4 —AA Intelligence (est.) 4.6AA Agentic —Epoch ECI 137.8Software ECI 136.7DesignArena —/—

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

Benchmark sheet

11 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

Instruction-following

Knowledge

Long-context

  • AA-LCR v1.13131.0%

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

Math

  • AIME 2025 (AA)5862.3%

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

Reasoning

  • Chess Puzzles (Epoch AI)112.0%

    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

Missing coverage · 308 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 (Low) — benchmarks & cost | Benchmark Heaven