MolmoWeb 4B vs Olmo 3.1 32B Instruct

At a Glance

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Pricing and Limits
Context windowMaximum documented tokens10K66K
Model facts checkedSep 3, 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 →
No Protocol-Matched Benchmark Yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.

Side-by-Side Facts

FieldMolmoWeb 4BOlmo-3.1-32B-Instruct
DeveloperAi2Ai2
FamilyMolmowebOlmo 3 1 32b Instruct
ModelMolmoWeb 4BOlmo-3.1-32B-Instruct
VersionMolmoWeb 4BOlmo-3.1-32B-Instruct
Lifecycleactiveactive
Released2026-03-20Unknown
Knowledge cutoffUnknownUnknown
Input modalitiesText, ImageText
Output modalitiesTextText
Context window10K66K
Total parameters4.9B32.2B
Active parametersUnknownUnknown
Licenseapache-2.0apache-2.0
Open weightsYesYes
API availableNoUnknown
Self-hostableYesYes
Provider accessUnknownUnknown
Capabilitieschat, computer-use, generation, tools, visionchat, generation, tools

MolmoWeb 4B Capabilities

chatcomputer-usegenerationtoolsvision
Serving providers0
Canonical IDallenai/MolmoWeb-4B

Olmo 3.1 32B Instruct Capabilities

chatgenerationtools
Serving providers0
Canonical IDallenai/Olmo-3.1-32B-Instruct

Primary Evidence

Sources and Freshness

Questions

MolmoWeb 4B vs Olmo 3.1 32B Instruct FAQs

Is MolmoWeb 4B or Olmo 3.1 32B Instruct better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both MolmoWeb 4B and Olmo 3.1 32B Instruct, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, MolmoWeb 4B or Olmo 3.1 32B Instruct?+

Neither model has a directly sourced input price in this comparison. Neither model has a directly sourced output price in this comparison.

Which has a larger context window, MolmoWeb 4B or Olmo 3.1 32B Instruct?+

Olmo 3.1 32B Instruct has the larger sourced context window. MolmoWeb 4B supports 10K and Olmo 3.1 32B Instruct supports 66K.

Which performs better in benchmarks, MolmoWeb 4B or Olmo 3.1 32B Instruct?+

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

Can MolmoWeb 4B or Olmo 3.1 32B Instruct be self-hosted?+

Both models have the same recorded self-hosting status: supported. MolmoWeb 4B is open weight; Olmo 3.1 32B Instruct is open weight.

Can MolmoWeb 4B and Olmo 3.1 32B Instruct understand images?+

MolmoWeb 4B is documented with image input; Olmo 3.1 32B Instruct is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, MolmoWeb 4B or Olmo 3.1 32B Instruct?+

Neither has a larger sourced maximum output. MolmoWeb 4B is — and Olmo 3.1 32B Instruct is 33K.

Do MolmoWeb 4B and Olmo 3.1 32B Instruct support reasoning and tool use?+

MolmoWeb 4B: tool calling and image input. Olmo 3.1 32B Instruct: tool calling. Feature support does not establish relative quality.

Which is available from more inference providers, MolmoWeb 4B or Olmo 3.1 32B Instruct?+

MolmoWeb 4B has 0 sourced provider routes; Olmo 3.1 32B Instruct has 0, a tie.

Which offers better value, MolmoWeb 4B or Olmo 3.1 32B Instruct?+

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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