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
#70
▼ 2 vs 7d ago
Total arena votes
728,877
Across 33 (subset, category) entries
Providers on OR
6
Amazon Bedrock + others
First seen
2026-05-08
61 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_completion_tokens
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% | - | - | - | |
| Amazon Bedrock | amazon-bedrock/global | 200K | $1.00 | $5.00 | 99.96% | - | - | - |
| Anthropic | anthropic | 200K | $1.00 | $5.00 | 99.91% | - | - | - |
google-vertex/global | 200K | $1.00 | $5.00 | 99.90% | - | - | - | |
| Azure | azure/us-east-2 | 200K | $1.00 | $5.00 | 90.87% | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #66 | Spanish | - | 1428 | 2,639 | |
| #71 | Expert | - | 1456 | 7,555 | |
| #72 | Coding | - | 1479 | 24,631 | |
| #78 | Longer Query | - | 1437 | 33,182 | |
| #80 | Industry Software And It Services | - | 1462 | 37,120 | |
| #81 | Hard Prompts English | - | 1454 | 29,615 | |
| #86 | Industry Mathematical | - | 1430 | 4,938 | |
| #87 | Instruction Following | - | 1415 | 29,925 | |
| #88 | Multi Turn | - | 1426 | 17,746 | |
| #91 | Korean | - | 1358 | 1,467 | |
| #92 | English | - | 1432 | 47,766 | |
| #92 | Industry Business And Management And Financial Operations | - | 1416 | 19,273 | |
| #92 | Industry Writing And Literature And Language | - | 1399 | 23,032 | |
| #93 | German | - | 1401 | 1,639 | |
| #93 | Hard Prompts | - | 1439 | 59,167 | |
| #97 | Industry Entertainment And Sports And Media | - | 1387 | 19,735 | |
| #97 | Japanese | - | 1349 | 924 | |
| #98 | Creative Writing | - | 1388 | 15,357 | |
| #104 | French | - | 1424 | 2,532 | |
| #105 | Industry Life And Physical And Social Science | - | 1430 | 16,060 | |
| #108 | Exclude Ties | - | 1399 | 74,402 | |
| #108 | Overall | - | 1411 | 100,212 | |
| #112 | Chinese | - | 1438 | 4,938 | |
| #113 | Industry Legal And Government | - | 1414 | 7,284 | |
| #115 | Russian | - | 1398 | 9,487 | |
| #117 | Non English | - | 1388 | 52,383 | |
| #122 | Industry Medicine And Healthcare | - | 1423 | 6,457 | |
| #124 | Math | - | 1399 | 5,840 | |
| #124 | Polish | - | 1371 | 2,657 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #60 | Webdev-react | - | 1329 | 11,547 | |
| #70 | Overall | - | 1327 | 23,650 | |
| #70 | Webdev | - | 1327 | 23,650 | |
| #70 | Webdev-html | - | 1315 | 12,067 |