Olmo 3.1 32B Instruct vs Claude Opus 4.5
At a Glance
| Compare | Claude Opus 4.5Anthropic | |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | UnrankedNot in the 46-model eligible cohort | #27 of 4655.4 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 36.9–70.3 |
| CostLower is better · Published-token output estimate | UnrankedNot in the 44-model eligible cohort | #40 of 44$0.380 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.5 | UnrankedNot in the 38-model eligible cohort | #36 of 3838.0 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 28.8–45.4 |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $5.00Anthropic ↗ · Sep 3, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $25.00Anthropic ↗ · Sep 3, 2026 |
| Context windowMaximum documented tokens | 66K | 200K |
| Model facts checked | Aug 28, 2026View model evidence → | Sep 3, 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
| Benchmark | Olmo-3.1-32B-Instruct | Claude Opus 4.5 |
|---|---|---|
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader | 1,311.8391% of row best · rating · olmo-3.1-32b-instruct; 95% CI [1305.66595265, 1318.00150818]; votes 11452; rank 227 | 1,447.08100% of row best · rating · claude-opus-4-5-20251101-high-32k; 95% CI [1443.17965746, 1450.98398333]; votes 36239; rank 49 |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark winsNo overall winner | 1 benchmark winNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Olmo-3.1-32B-Instruct | Claude Opus 4.5 |
|---|---|---|
| Developer | Ai2 | Anthropic |
| Family | Olmo 3 1 32b Instruct | Claude 4 |
| Model | Olmo-3.1-32B-Instruct | Claude Opus 4.5 |
| Version | Olmo-3.1-32B-Instruct | Claude Opus 4.5 |
| Lifecycle | active | active |
| Released | Unknown | 2025-11-24 |
| Knowledge cutoff | Unknown | 2025-05-01 |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
| Context window | 66K | 200K |
| Total parameters | 32.2B | Unknown |
| Active parameters | Unknown | Unknown |
| License | apache-2.0 | Unknown |
| Open weights | Yes | No |
| API available | Unknown | Yes |
| Self-hostable | Yes | No |
| Provider access | Unknown | Anthropic (Standard) |
| Capabilities | chat, generation, tools | chat, generation, reasoning, structured_outputs, tools |
Olmo 3.1 32B Instruct Capabilities
Claude Opus 4.5 Capabilities
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| vs |  DeepSeek-V4.1-FlashDeepSeek | cross-developer peerstext | |
| vs | Grok 4.6xAI | cross-developer peerstext | |
| vs |  Qwen3.8-MaxQwen | cross-developer peerstext | |
| vs |  Kimi-K3Moonshot AI | cross-developer peerstext | |
 MiniMax-M3MiniMax | vs | cross-developer peerstext | |
| vs |  GLM-5.3Z.ai | cross-developer peerstext | |
| vs |  Hy4 previewTencent | cross-developer peerstext | |
| vs | Seed 2.1 ProByteDance Seed | cross-developer peerstext | |
| vs |  Mistral Large 3Mistral AI | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
Olmo 3.1 32B Instruct vs Claude Opus 4.5 FAQs
Is Olmo 3.1 32B Instruct or Claude Opus 4.5 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Olmo 3.1 32B Instruct and Claude Opus 4.5, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Olmo 3.1 32B Instruct or Claude Opus 4.5?+
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, Olmo 3.1 32B Instruct or Claude Opus 4.5?+
Claude Opus 4.5 has the larger sourced context window. Olmo 3.1 32B Instruct supports 66K and Claude Opus 4.5 supports 200K.
Which performs better in benchmarks, Olmo 3.1 32B Instruct or Claude Opus 4.5?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Olmo 3.1 32B Instruct or Claude Opus 4.5 be self-hosted?+
Olmo 3.1 32B Instruct is the only model in this pair currently marked as self-hostable. Olmo 3.1 32B Instruct is open weight; Claude Opus 4.5 is not marked open weight.
Can Olmo 3.1 32B Instruct and Claude Opus 4.5 understand images?+
Olmo 3.1 32B Instruct is not documented with image input; Claude Opus 4.5 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Olmo 3.1 32B Instruct or Claude Opus 4.5?+
Claude Opus 4.5 has the larger sourced maximum output: Olmo 3.1 32B Instruct supports 33K and Claude Opus 4.5 supports 64K output tokens.
Do Olmo 3.1 32B Instruct and Claude Opus 4.5 support reasoning and tool use?+
Olmo 3.1 32B Instruct: tool calling. Claude Opus 4.5: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Olmo 3.1 32B Instruct or Claude Opus 4.5?+
Olmo 3.1 32B Instruct has 0 sourced provider routes; Claude Opus 4.5 has 1, so Claude Opus 4.5 has broader tracked availability.
Which offers better value, Olmo 3.1 32B Instruct or Claude Opus 4.5?+
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.