Claude Haiku 4.5 vs Claude Opus 4.8
At a Glance
| Compare | Claude Haiku 4.5Anthropic | Claude Opus 4.8Anthropic |
|---|---|---|
| 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 | 1,000K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 29, 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 4.8 |
|---|---|---|
| ARC-AGI-1verified-v1-613c385b0c93 · verified_score · leader | 47.6752% of row best · percent · Claude Haiku 4.5 (Thinking 32K) | 92.50100% of row best · percent · Claude Opus 4.8 (Max) |
| ARC-AGI-2verified-v2-be40992860f9 · verified_score · leader | 4.036% of row best · percent · Claude Haiku 4.5 (Thinking 32K) | 72.08100% of row best · percent · Claude Opus 4.8 (High) |
| 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 | 1,464.07100% of row best · rating · claude-opus-4-8; 95% CI [1457.10320334, 1471.03216030]; votes 12128; rank 19 |
| 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 | 1,453.90100% of row best · rating · claude-opus-4-8; 95% CI [1450.05936004, 1457.74353427]; votes 65172; rank 47 |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark wins | 4 benchmark winsOverall lead |
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 4.8 |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Family | Claude 4 5 | Claude 4 8 |
| Model | Claude Haiku 4.5 | Claude Opus 4.8 |
| Version | Claude Haiku 4.5 | Claude Opus 4.8 |
| Lifecycle | active | active |
| Released | 2025-10-15 | 2026-05-28 |
| Knowledge cutoff | Unknown | 2026-01-01 |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 200K | 1,000K |
| 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), Deepinfra (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
Claude Haiku 4.5 Capabilities
Claude Opus 4.8 Capabilities
Related Comparisons
All image comparisons →| A | Pair | B | Context |
|---|---|---|---|
Claude Haiku 4.5Anthropic | vs | Claude Opus 4.5Anthropic | 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 4.8 FAQs
Is Claude Haiku 4.5 or Claude Opus 4.8 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Haiku 4.5 and Claude Opus 4.8, 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 4.8?+
Claude Haiku 4.5 is $1.00 and Claude Opus 4.8 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 4.8 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 4.8?+
Claude Opus 4.8 has the larger sourced context window. Claude Haiku 4.5 supports 200,000 tokens and Claude Opus 4.8 supports 1,000,000 tokens.
Which performs better in benchmarks, Claude Haiku 4.5 or Claude Opus 4.8?+
Claude Opus 4.8 leads the current overall benchmark count. The result uses 4 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.
Can Claude Haiku 4.5 or Claude Opus 4.8 be self-hosted?+
Both models have the same sourced self-hosting status: unsupported. Claude Haiku 4.5 is not marked open weight; Claude Opus 4.8 is not marked open weight.
Can Claude Haiku 4.5 and Claude Opus 4.8 understand images?+
Claude Haiku 4.5 is documented with image input; Claude Opus 4.8 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 4.8?+
Claude Opus 4.8 has the larger sourced maximum output. Claude Haiku 4.5 supports 64,000 tokens and Claude Opus 4.8 supports 128,000 tokens.
Do Claude Haiku 4.5 and Claude Opus 4.8 support reasoning and tool use?+
Claude Haiku 4.5: reasoning, tool calling, and image input. Claude Opus 4.8: 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 4.8?+
Claude Haiku 4.5 has 2 sourced provider routes; Claude Opus 4.8 has 2, a tie.
Which offers better value, Claude Haiku 4.5 or Claude Opus 4.8?+
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.