MolmoWeb 8B vs Hy4 preview

At a Glance

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Pricing and Limits
Input priceFrom · USD / 1M tokensNot reported$0.834Openrouter · Sep 22, 2026
Output priceFrom · USD / 1M tokensNot reported$2.501Openrouter · Sep 22, 2026
Context windowMaximum documented tokens10K1,000K
Model facts checkedSep 3, 2026View model evidence →Sep 2, 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 8BHy4 preview
DeveloperAi2Tencent
FamilyMolmowebHy4
ModelMolmoWeb 8BHy4 preview
VersionMolmoWeb 8BHy4 preview
Lifecycleactivepreview
Released2026-03-202026-08-28
Knowledge cutoffUnknownUnknown
Input modalitiesText, ImageText
Output modalitiesTextText
Context window10K1,000K
Total parameters8.7B770B
Active parametersUnknown49B
Licenseapache-2.0apache-2.0
Open weightsYesYes
API availableNoYes
Self-hostableYesYes
Provider accessUnknownOpenrouter (Standard)
Capabilitieschat, computer-use, generation, tools, visionchat, generation, reasoning, tools

MolmoWeb 8B Capabilities

chatcomputer-usegenerationtoolsvision
Serving providers0
Canonical IDallenai/MolmoWeb-8B

Hy4 preview Capabilities

chatgenerationreasoningtools
Serving providers1
Canonical IDtencent/Hy4-preview

Primary Evidence

Sources and Freshness

Questions

MolmoWeb 8B vs Hy4 preview FAQs

Is MolmoWeb 8B or Hy4 preview better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both MolmoWeb 8B and Hy4 preview, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, MolmoWeb 8B or Hy4 preview?+

Only Hy4 preview has a directly sourced input price: $0.834 per million tokens. Only Hy4 preview has a directly sourced output price: $2.501 per million tokens.

Which has a larger context window, MolmoWeb 8B or Hy4 preview?+

Hy4 preview has the larger sourced context window. MolmoWeb 8B supports 10K and Hy4 preview supports 1,000K.

Which performs better in benchmarks, MolmoWeb 8B or Hy4 preview?+

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

Can MolmoWeb 8B or Hy4 preview be self-hosted?+

Both models have the same recorded self-hosting status: supported. MolmoWeb 8B is open weight; Hy4 preview is open weight.

Can MolmoWeb 8B and Hy4 preview understand images?+

MolmoWeb 8B is documented with image input; Hy4 preview is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, MolmoWeb 8B or Hy4 preview?+

Neither has a larger sourced maximum output. MolmoWeb 8B is — and Hy4 preview is —.

Do MolmoWeb 8B and Hy4 preview support reasoning and tool use?+

MolmoWeb 8B: tool calling and image input. Hy4 preview: reasoning and tool calling. Feature support does not establish relative quality.

Which is available from more inference providers, MolmoWeb 8B or Hy4 preview?+

MolmoWeb 8B has 0 sourced provider routes; Hy4 preview has 1, so Hy4 preview has broader tracked availability.

Which offers better value, MolmoWeb 8B or Hy4 preview?+

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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