Granite 4.1 8B vs gpt-oss-20b

At a Glance

Compare
Pricing and Limits
Input priceFrom · USD / 1M tokens$0.050Openrouter · Sep 4, 2026$0.030Deepinfra · Sep 22, 2026
Output priceFrom · USD / 1M tokens$0.10Openrouter · Sep 4, 2026$0.13Openrouter · Sep 22, 2026
Context windowMaximum documented tokens131K131K
Model facts checkedAug 28, 2026View model evidence →Aug 28, 2026View model evidence →

Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →

Available Benchmarks

All benchmark results →
Benchmarkgranite-4.1-8bgpt-oss-20b
LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · statistical tie1,292.08100% of row best · rating · granite-4.1-8b; 95% CI [1281.97987405, 1302.17160048]; votes 4023; rank 2411,287.32100% of row best · rating · gpt-oss-20b; 95% CI [1280.92242279, 1293.71473349]; votes 10393; rank 246
Overall ResultCounted from the protocol-matched rows above · 1 tie0 benchmark winsNo overall winner0 benchmark winsNo overall winner

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

Side-by-Side Facts

Fieldgranite-4.1-8bgpt-oss-20b
DeveloperIBMOpenAI
FamilyGranite 4 1 8bGpt Oss
Modelgranite-4.1-8bgpt-oss-20b
Versiongranite-4.1-8bgpt-oss-20b
Lifecycleactiveactive
Released2026-04-29Unknown
Knowledge cutoffUnknownUnknown
Input modalitiesTextText
Output modalitiesTextText
Context window131K131K
Total parameters8.8B20.9B
Active parametersUnknown3.6B
Licenseapache-2.0apache-2.0
Open weightsYesYes
API availableYesYes
Self-hostableYesYes
Provider accessOpenrouter (Standard)Deepinfra (Standard), Groq (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Serverless, Standard)
Capabilitieschat, generation, toolschat, generation, reasoning, tools

Granite 4.1 8B Capabilities

chatgenerationtools
Serving providers1
Canonical IDibm-granite/granite-4.1-8b

gpt-oss-20b Capabilities

chatgenerationreasoningtools
Serving providers5
Canonical IDopenai/gpt-oss-20b

Primary Evidence

Sources and Freshness

Questions

Granite 4.1 8B vs gpt-oss-20b FAQs

Is Granite 4.1 8B or gpt-oss-20b better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Granite 4.1 8B and gpt-oss-20b, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Granite 4.1 8B or gpt-oss-20b?+

Granite 4.1 8B is $0.050 and gpt-oss-20b is $0.030 per million tokens, so gpt-oss-20b is cheaper on this metric. Granite 4.1 8B is $0.10 and gpt-oss-20b is $0.13 per million tokens, so Granite 4.1 8B is cheaper on this metric.

Which has a larger context window, Granite 4.1 8B or gpt-oss-20b?+

Neither model has a larger sourced context window in this comparison. Granite 4.1 8B is 131K and gpt-oss-20b is 131K.

Which performs better in benchmarks, Granite 4.1 8B or gpt-oss-20b?+

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Can Granite 4.1 8B or gpt-oss-20b be self-hosted?+

Both models have the same recorded self-hosting status: supported. Granite 4.1 8B is open weight; gpt-oss-20b is open weight.

Can Granite 4.1 8B and gpt-oss-20b understand images?+

Granite 4.1 8B is not documented with image input; gpt-oss-20b is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Granite 4.1 8B or gpt-oss-20b?+

Neither has a larger sourced maximum output. Granite 4.1 8B is — and gpt-oss-20b is —.

Do Granite 4.1 8B and gpt-oss-20b support reasoning and tool use?+

Granite 4.1 8B: tool calling. gpt-oss-20b: reasoning and tool calling. Feature support does not establish relative quality.

Which is available from more inference providers, Granite 4.1 8B or gpt-oss-20b?+

Granite 4.1 8B has 1 sourced provider route; gpt-oss-20b has 5, so gpt-oss-20b has broader tracked availability.

Which offers better value, Granite 4.1 8B or gpt-oss-20b?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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