Claude Mythos 5.1 vs Granite Vision 4.1 4B
At a Glance
| Compare | Claude Mythos 5.1Anthropic | |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $10.00Anthropic ↗ · Sep 2, 2026 | Not reported |
| Output priceFrom · USD / 1M tokens | $50.00Anthropic ↗ · Sep 2, 2026 | Not reported |
| Context windowMaximum documented tokens | 1,000K | 131K |
| Model facts checked | Sep 2, 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
Side-by-Side Facts
| Field | Claude Mythos 5.1 | granite-vision-4.1-4b |
|---|---|---|
| Developer | Anthropic | IBM |
| Family | Claude 5 1 | Granite Vision 4 1 4b |
| Model | Claude Mythos 5.1 | granite-vision-4.1-4b |
| Version | Claude Mythos 5.1 | granite-vision-4.1-4b |
| Lifecycle | active | active |
| Released | 2026-09-01 | 2026-04-29 |
| Knowledge cutoff | 2026-06-01 | Unknown |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,000K | 131K |
| Total parameters | Unknown | 4B |
| Active parameters | Unknown | Unknown |
| License | Unknown | apache-2.0 |
| Open weights | No | Yes |
| API available | Yes | Unknown |
| Self-hostable | No | Yes |
| Provider access | Anthropic (Project Glasswing) | Unknown |
| Capabilities | chat, generation, reasoning, tools | chat, generation, tools |
Claude Mythos 5.1 Capabilities
Granite Vision 4.1 4B Capabilities
Related Comparisons
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 MiniMax-M3MiniMax | vs | Claude Mythos 5.1Anthropic | cross-developer peersimage, text |
Claude Mythos 5.1Anthropic | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Claude Mythos 5.1Anthropic | vs |  Hy4 previewTencent | cross-developer peerstext |
Claude Mythos 5.1Anthropic | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text |
Claude Mythos 5.1Anthropic | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Claude Mythos 5.1 vs Granite Vision 4.1 4B FAQs
Is Claude Mythos 5.1 or Granite Vision 4.1 4B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Mythos 5.1 and Granite Vision 4.1 4B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Mythos 5.1 or Granite Vision 4.1 4B?+
Only Claude Mythos 5.1 has a directly sourced input price: $10.00 per million tokens. Only Claude Mythos 5.1 has a directly sourced output price: $50.00 per million tokens.
Which has a larger context window, Claude Mythos 5.1 or Granite Vision 4.1 4B?+
Claude Mythos 5.1 has the larger sourced context window. Claude Mythos 5.1 supports 1,000K and Granite Vision 4.1 4B supports 131K.
Which performs better in benchmarks, Claude Mythos 5.1 or Granite Vision 4.1 4B?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Claude Mythos 5.1 or Granite Vision 4.1 4B be self-hosted?+
Granite Vision 4.1 4B is the only model in this pair currently marked as self-hostable. Claude Mythos 5.1 is not marked open weight; Granite Vision 4.1 4B is open weight.
Can Claude Mythos 5.1 and Granite Vision 4.1 4B understand images?+
Claude Mythos 5.1 is documented with image input; Granite Vision 4.1 4B is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Mythos 5.1 or Granite Vision 4.1 4B?+
Neither has a larger sourced maximum output. Claude Mythos 5.1 is 128K and Granite Vision 4.1 4B is —.
Do Claude Mythos 5.1 and Granite Vision 4.1 4B support reasoning and tool use?+
Claude Mythos 5.1: reasoning, tool calling, and image input. Granite Vision 4.1 4B: tool calling and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Mythos 5.1 or Granite Vision 4.1 4B?+
Claude Mythos 5.1 has 1 sourced provider route; Granite Vision 4.1 4B has 0, so Claude Mythos 5.1 has broader tracked availability.
Which offers better value, Claude Mythos 5.1 or Granite Vision 4.1 4B?+
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.