Claude Haiku 5.5
Anthropic
67.0#54 of 427 overall
- Input / output
- US$ 0,10 / US$ 0,50 US$ per 1M tokens
- Context
- 1M tokens
- Release
- 10/07/2026 release date
- Weights
- Closed
- Speed
- 235 tok/s first token in 243.62 s
Family history
The 4 versions of this family, from first to newest, by release date. Click a point to open that version.
See the data as a table
| Model | Released | Score | Rank | AA Intel. | Elo Arena |
|---|---|---|---|---|---|
| Claude 3 Haiku | 03/04/2024 | 15.4 | #423 | — | 1195 |
| Claude 3.5 Haiku | 10/22/2024 | 16.4 | #419 | — | 1255 |
| Claude Haiku 4.5 | 10/15/2025 | 37.9 | #280 | — | 1397 |
| Claude Haiku 5.5 | 10/07/2026 | 67.0 | #54 | 36.2 | 1401 |
Scores by source
Scores by sourcepercentile = % of ranked models it beats| Metric | Value | Percentile | Source |
|---|---|---|---|
| LiveBench weight 3 | 69.9 | 65% | LiveBench |
| AA Intelligence Index weight 3 | 36.2 | 72% | Artificial Analysis |
| Arena text (Elo) weight 2 | 1401 | 46% | LMArena |
| Arena WebDev (Elo) weight 1 | 1589 | 75% | LMArena |
| Humanity's Last Exam weight 1 | 44.4 | 94% | Artificial Analysis |
| Terminal-Bench weight 1 | 32.8 | 84% | Artificial Analysis |
| Long-context reasoning | 82.7 | 94% | Artificial Analysis |
| LiveBench long agentic | 40.0 | 68% | LiveBench |
| LiveBench reasoning | 82.4 | 32% | LiveBench |
| LiveBench coding | 91.4 | 74% | LiveBench |
| LiveBench browser | 69.5 | 58% | LiveBench |
| LiveBench data analysis | 53.1 | 0% | LiveBench |
| LiveBench research | 81.9 | 71% | LiveBench |
| LiveBench design | 83.1 | 87% | LiveBench |
By category
| Category | Score | Rank | Metrics |
|---|---|---|---|
| Agentic | 67.2 | #19 | LiveBench long agentic, Terminal-Bench |
| Coding | 66.4 | #17 | LiveBench coding, Arena WebDev (Elo) |
| Reasoning | 58.8 | #156 | LiveBench reasoning, Humanity's Last Exam |
| Data analysis | 25.0 | #32 | LiveBench data analysis |
| Research | 71.7 | #20 | LiveBench research, Long-context reasoning |
| Design | 70.7 | #12 | LiveBench design, Arena WebDev (Elo) |
| Browser use | 54.0 | #14 | LiveBench browser |
| Chat | 47.8 | #107 | Arena text (Elo) |
History
RankingIA score on each collection day (hover to see the rank).
Daily collection started on 10/30/2026. The chart appears from the second day the model is ranked.