Claude Opus 4.5 vs Stable Diffusion 3.5 Large
At a Glance
| Compare | Claude Opus 4.5Anthropic |  Stable Diffusion 3.5 LargeStability AI |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #27 of 4655.4 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 36.9–70.3 | UnrankedNot in the 46-model eligible cohort |
| CostLower is better · Published-token output estimate | #40 of 44$0.380 per LiveBench case | UnrankedNot in the 44-model eligible cohort |
| EfficiencyHigher is better · MM Efficiency v1.5 | #36 of 3838.0 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 28.8–45.4 | UnrankedNot in the 38-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $5.00Anthropic ↗ · Sep 3, 2026 | Not reported |
| Output priceFrom · USD / 1M tokens | $25.00Anthropic ↗ · Sep 3, 2026 | Not reported |
| Context windowMaximum documented tokens | 200K | 0K |
| Model facts checked | Sep 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
Side-by-Side Facts
| Field | Claude Opus 4.5 | stable-diffusion-3.5-large |
|---|---|---|
| Developer | Anthropic | Stability AI |
| Family | Claude 4 | Stable Diffusion 3 5 Large |
| Model | Claude Opus 4.5 | stable-diffusion-3.5-large |
| Version | Claude Opus 4.5 | stable-diffusion-3.5-large |
| Lifecycle | active | active |
| Released | 2025-11-24 | 2024-10-22 |
| Knowledge cutoff | 2025-05-01 | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Image |
| Context window | 200K | 0K |
| Total parameters | Unknown | 8.1B |
| Active parameters | Unknown | Unknown |
| License | Unknown | other |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Anthropic (Standard) | Hugging Face (Standard), Stability AI (Pay as you go) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | generation |
Claude Opus 4.5 Capabilities
Stable Diffusion 3.5 Large Capabilities
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Primary Evidence
Sources and Freshness
Questions
Claude Opus 4.5 vs Stable Diffusion 3.5 Large FAQs
Is Claude Opus 4.5 or Stable Diffusion 3.5 Large better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Opus 4.5 and Stable Diffusion 3.5 Large, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Opus 4.5 or Stable Diffusion 3.5 Large?+
Only Claude Opus 4.5 has a directly sourced input price: $5.00 per million tokens. Only Claude Opus 4.5 has a directly sourced output price: $25.00 per million tokens.
Which has a larger context window, Claude Opus 4.5 or Stable Diffusion 3.5 Large?+
Claude Opus 4.5 has the larger sourced context window. Claude Opus 4.5 supports 200K and Stable Diffusion 3.5 Large supports 0K.
Which performs better in benchmarks, Claude Opus 4.5 or Stable Diffusion 3.5 Large?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Claude Opus 4.5 or Stable Diffusion 3.5 Large be self-hosted?+
Stable Diffusion 3.5 Large is the only model in this pair currently marked as self-hostable. Claude Opus 4.5 is not marked open weight; Stable Diffusion 3.5 Large is open weight.
Can Claude Opus 4.5 and Stable Diffusion 3.5 Large understand images?+
Claude Opus 4.5 is documented with image input; Stable Diffusion 3.5 Large is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Opus 4.5 or Stable Diffusion 3.5 Large?+
Neither has a larger sourced maximum output. Claude Opus 4.5 is 64K and Stable Diffusion 3.5 Large is —.
Do Claude Opus 4.5 and Stable Diffusion 3.5 Large support reasoning and tool use?+
Claude Opus 4.5: reasoning, tool calling, and image input. Stable Diffusion 3.5 Large: none of these features are definitively sourced. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Opus 4.5 or Stable Diffusion 3.5 Large?+
Claude Opus 4.5 has 1 sourced provider route; Stable Diffusion 3.5 Large has 2, so Stable Diffusion 3.5 Large has broader tracked availability.
Which offers better value, Claude Opus 4.5 or Stable Diffusion 3.5 Large?+
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.