Claude Haiku 4.5 vs Claude Opus 4.5
At a Glance
| Compare | Claude Haiku 4.5Anthropic | Claude Opus 4.5Anthropic |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v4.4 | #41 of 579.3 score · 2/3 sources · provisional · missing LiveBench · full-core range 6.2–39.6 | UnrankedNot in the 57-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $1.00Anthropic ↗ · Sep 3, 2026 | $5.00Anthropic ↗ · Sep 3, 2026 |
| Output priceFrom · USD / 1M tokens | $5.00Anthropic ↗ · Sep 3, 2026 | $25.00Anthropic ↗ · Sep 3, 2026 |
| Context windowMaximum documented tokens | 200K | 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 | Claude Haiku 4.5 | Claude Opus 4.5 |
|---|---|---|
| LMArena Document Arenadocument-2026-09-13-0ebb411abf00 · arena_rating · leader | 1,419.9797% of row best · rating · claude-haiku-4-5-20251001; 95% CI [1414.09579972, 1425.83505080]; votes 34677; rank 37 | 1,462.20100% of row best · rating · claude-opus-4-5-20251101; 95% CI [1451.78988580, 1472.60655272]; votes 7981; rank 21 |
| LMArena Text Arenatext-2026-10-15-0ebb411abf00 · arena_rating · leader | 1,396.6496% of row best · rating · claude-haiku-4-5-20251001; 95% CI [1394.24930739, 1399.03971640]; votes 149199; rank 159 | 1,448.19100% of row best · rating · claude-opus-4-5-20251101-high-32k; 95% CI [1444.36613918, 1452.02144591]; votes 37509; rank 54 |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark winsNo overall winner | 2 benchmark winsNo 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 | Claude Haiku 4.5 | Claude Opus 4.5 |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Family | Claude 4 5 | Claude 4 |
| Model | Claude Haiku 4.5 | Claude Opus 4.5 |
| Version | Claude Haiku 4.5 | Claude Opus 4.5 |
| Lifecycle | active | active |
| Released | 2025-10-15 | 2025-11-24 |
| Knowledge cutoff | Unknown | 2025-05-01 |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 200K | 200K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Anthropic (Standard), Deepinfra (Standard) | Anthropic (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, structured_outputs, tools |
Claude Haiku 4.5 Capabilities
Claude Opus 4.5 Capabilities
Related Comparisons
All image comparisons →| A | Pair | B | Context |
|---|---|---|---|
Claude Haiku 4.5Anthropic | vs | Claude Opus 4.8Anthropic | family variantsimage, text |
Claude Haiku 4.5Anthropic | vs | Claude Opus 5Anthropic | family variantsimage, text |
Claude Haiku 4.5Anthropic | vs | Claude Sonnet 4.5Anthropic | family variantsimage, text |
Claude Haiku 4.5Anthropic | vs |  Gemini Computer UseGoogle DeepMind | cross-developer peerstext |
Claude Haiku 4.5Anthropic | vs |  Ministral-3-14B-Reasoning-2512Mistral AI | cross-developer peersimage, text |
Claude Haiku 4.5Anthropic | vs | Ministral-3-3B-Reasoning-2512Mistral AI | cross-developer peersimage, text |
Claude Haiku 4.5Anthropic | vs | Ministral-3-8B-Reasoning-2512Mistral AI | cross-developer peersimage, text |
Claude Haiku 4.5Anthropic | vs |  GPT-4oOpenAI | cross-developer peersimage, text |
Claude Haiku 4.5Anthropic | vs | GPT-4o MiniOpenAI | cross-developer peersimage, text |
Claude Haiku 4.5Anthropic | vs | o3OpenAI | cross-developer peersimage, text |
Claude Haiku 4.5Anthropic | vs | o3-proOpenAI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Claude Haiku 4.5 vs Claude Opus 4.5 FAQs
Is Claude Haiku 4.5 or Claude Opus 4.5 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Haiku 4.5 and Claude Opus 4.5, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Haiku 4.5 or Claude Opus 4.5?+
Claude Haiku 4.5 is $1.00 and Claude Opus 4.5 is $5.00 per million tokens, so Claude Haiku 4.5 is cheaper on this metric. Claude Haiku 4.5 is $5.00 and Claude Opus 4.5 is $25.00 per million tokens, so Claude Haiku 4.5 is cheaper on this metric.
Which has a larger context window, Claude Haiku 4.5 or Claude Opus 4.5?+
Both models have the same sourced context window: 200,000 tokens each.
Which performs better in benchmarks, Claude Haiku 4.5 or Claude Opus 4.5?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Claude Haiku 4.5 or Claude Opus 4.5 be self-hosted?+
Both models have the same sourced self-hosting status: unsupported. Claude Haiku 4.5 is not marked open weight; Claude Opus 4.5 is not marked open weight.
Can Claude Haiku 4.5 and Claude Opus 4.5 understand images?+
Claude Haiku 4.5 is 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, Claude Haiku 4.5 or Claude Opus 4.5?+
Both models have the same sourced maximum output: 64,000 tokens each.
Do Claude Haiku 4.5 and Claude Opus 4.5 support reasoning and tool use?+
Claude Haiku 4.5: reasoning, tool calling, and image input. Claude Opus 4.5: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Haiku 4.5 or Claude Opus 4.5?+
Claude Haiku 4.5 has 2 sourced provider routes; Claude Opus 4.5 has 1, so Claude Haiku 4.5 has broader tracked availability.
Which offers better value, Claude Haiku 4.5 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.