Anthropic: Claude Haiku 4.5
Released Oct 15, 2025Try it on:
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Best overall rank
#61
Across all subsets · overall
Total arena votes
518,635
Across 31 (subset, category) entries
Providers on OR
5
Amazon Bedrock + others
First seen
2026-05-08
26 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $1.00
- Output (per 1M)
- $5.00
- Cache Read (per 1M)
- $0.100
- Cache Write (per 1M)
- $1.25
Per unit
- Web search
- $0.010/call
Capabilities
Modality
text+image+file->textContext
200K tokens
Tokenizer
Claude
Max output
64K tokens
Moderation
Moderated
Supported parameters
include_reasoning
max_tokens
reasoning
response_format
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_p
Providers
| Provider | Region / Tag | Context | Input/M | Output/M | Uptime 1d | Latency | Quant | Cache |
|---|---|---|---|---|---|---|---|---|
| Amazon Bedrock | amazon-bedrock/eu-west-1 | 200K | $1.00 | $5.00 | 100.00% | - | - | - |
google-vertex/europe | 200K | $1.00 | $5.00 | 100.00% | - | - | - | |
google-vertex/global | 200K | $1.00 | $5.00 | 99.98% | - | - | - | |
| Amazon Bedrock | amazon-bedrock/global | 200K | $1.00 | $5.00 | 99.93% | - | - | - |
| Anthropic | anthropic | 200K | $1.00 | $5.00 | 99.91% | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #61 | Coding | - | 1479 | 18,302 | |
| #61 | Spanish | - | 1428 | 1,976 | |
| #66 | Expert | - | 1453 | 5,372 | |
| #70 | Longer Query | - | 1438 | 22,921 | |
| #72 | Hard Prompts English | - | 1454 | 21,996 | |
| #72 | Industry Software And It Services | - | 1461 | 28,318 | |
| #77 | Industry Mathematical | - | 1427 | 3,783 | |
| #78 | Multi Turn | - | 1426 | 13,730 | |
| #79 | Instruction Following | - | 1414 | 22,436 | |
| #80 | Industry Business And Management And Financial Operations | - | 1417 | 14,771 | |
| #84 | Industry Writing And Literature And Language | - | 1397 | 17,467 | |
| #85 | English | - | 1431 | 36,907 | |
| #85 | Hard Prompts | - | 1439 | 44,441 | |
| #88 | German | - | 1399 | 1,308 | |
| #89 | Creative Writing | - | 1387 | 11,467 | |
| #91 | Industry Entertainment And Sports And Media | - | 1384 | 14,551 | |
| #91 | Japanese | - | 1346 | 630 | |
| #92 | Korean | - | 1352 | 1,146 | |
| #95 | French | - | 1424 | 1,713 | |
| #99 | Exclude Ties | - | 1397 | 57,064 | |
| #99 | Industry Life And Physical And Social Science | - | 1426 | 12,456 | |
| #101 | Overall | - | 1411 | 78,134 | |
| #105 | Industry Legal And Government | - | 1412 | 5,526 | |
| #107 | Russian | - | 1394 | 7,276 | |
| #110 | Chinese | - | 1431 | 3,794 | |
| #116 | Industry Medicine And Healthcare | - | 1419 | 4,783 | |
| #122 | Math | - | 1395 | 4,744 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #52 | Webdev-react | - | 1327 | 8,888 | |
| #61 | Overall | - | 1322 | 20,550 | |
| #61 | Webdev | - | 1322 | 20,550 | |
| #62 | Webdev-html | - | 1310 | 11,635 |