Claude Fable 5.1 vs SOMA X v0.3.0
At a Glance
| Compare | Claude Fable 5.1Anthropic |  SOMA X v0.3.0NVIDIA |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #1 of 4699.0 score · 3/3 sources · complete | UnrankedNot in the 46-model eligible cohort |
| CostLower is better · Published-token output estimate | #43 of 44$0.824 per LiveBench case | UnrankedNot in the 44-model eligible cohort |
| EfficiencyHigher is better · MM Efficiency v1.5 | #22 of 3851.7 score · 3/3 sources · complete | UnrankedNot in the 38-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $10.00Anthropic ↗ · Sep 3, 2026 | Not reported |
| Output priceFrom · USD / 1M tokens | $50.00Anthropic ↗ · Sep 3, 2026 | Not reported |
| Context windowMaximum documented tokens | 1,000K | Not reported |
| Model facts checked | Sep 2, 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
Side-by-Side Facts
| Field | Claude Fable 5.1 | SOMA-X v0.3.0 |
|---|---|---|
| Developer | Anthropic | NVIDIA |
| Family | Claude 5 1 | Soma X |
| Model | Claude Fable 5.1 | SOMA-X v0.3.0 |
| Version | Claude Fable 5.1 | SOMA-X v0.3.0 |
| Lifecycle | active | active |
| Released | 2026-09-01 | 2026-09-02 |
| Knowledge cutoff | 2026-06-01 | Unknown |
| Input modalities | Text, Image | Model-specific input |
| Output modalities | Text | 3D |
| Context window | 1,000K | Unknown |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | apache-2.0 |
| Open weights | No | Yes |
| API available | Yes | No |
| Self-hostable | No | Yes |
| Provider access | Anthropic (Standard) | Unknown |
| Capabilities | chat, generation, reasoning, tools | animation, hand-modeling, human-body-modeling, motion-retargeting, pose-inversion, simulation |
Claude Fable 5.1 Capabilities
SOMA X v0.3.0 Capabilities
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Primary Evidence
Sources and Freshness
Questions
Claude Fable 5.1 vs SOMA X v0.3.0 FAQs
Is Claude Fable 5.1 or SOMA X v0.3.0 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Fable 5.1 and SOMA X v0.3.0, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Fable 5.1 or SOMA X v0.3.0?+
Only Claude Fable 5.1 has a directly sourced input price: $10.00 per million tokens. Only Claude Fable 5.1 has a directly sourced output price: $50.00 per million tokens.
Which has a larger context window, Claude Fable 5.1 or SOMA X v0.3.0?+
Neither model has a larger sourced context window in this comparison. Claude Fable 5.1 is 1,000K and SOMA X v0.3.0 is —.
Which performs better in benchmarks, Claude Fable 5.1 or SOMA X v0.3.0?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Claude Fable 5.1 or SOMA X v0.3.0 be self-hosted?+
SOMA X v0.3.0 is the only model in this pair currently marked as self-hostable. Claude Fable 5.1 is not marked open weight; SOMA X v0.3.0 is open weight.
Can Claude Fable 5.1 and SOMA X v0.3.0 understand images?+
Claude Fable 5.1 is documented with image input; SOMA X v0.3.0 is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Fable 5.1 or SOMA X v0.3.0?+
Neither has a larger sourced maximum output. Claude Fable 5.1 is 128K and SOMA X v0.3.0 is —.
Do Claude Fable 5.1 and SOMA X v0.3.0 support reasoning and tool use?+
Claude Fable 5.1: reasoning, tool calling, and image input. SOMA X v0.3.0: none of these features are definitively sourced. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Fable 5.1 or SOMA X v0.3.0?+
Claude Fable 5.1 has 1 sourced provider route; SOMA X v0.3.0 has 0, so Claude Fable 5.1 has broader tracked availability.
Which offers better value, Claude Fable 5.1 or SOMA X v0.3.0?+
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.