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
#68
▼ 3 vs 7d ago
Total arena votes
610,677
Across 31 (subset, category) entries
Providers on OR
5
Amazon Bedrock + others
First seen
2026-05-08
45 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 | 99.99% | - | - | - | |
| Anthropic | anthropic | 200K | $1.00 | $5.00 | 99.97% | - | - | - |
| Amazon Bedrock | amazon-bedrock/global | 200K | $1.00 | $5.00 | 99.95% | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #65 | Spanish | - | 1425 | 2,342 | |
| #69 | Expert | - | 1455 | 6,618 | |
| #70 | Coding | - | 1479 | 22,112 | |
| #76 | Longer Query | - | 1437 | 29,096 | |
| #78 | Industry Software And It Services | - | 1462 | 33,588 | |
| #79 | Hard Prompts English | - | 1455 | 26,560 | |
| #85 | Industry Mathematical | - | 1429 | 4,472 | |
| #86 | Instruction Following | - | 1414 | 26,995 | |
| #86 | Multi Turn | - | 1426 | 16,101 | |
| #88 | Industry Business And Management And Financial Operations | - | 1416 | 17,395 | |
| #89 | English | - | 1432 | 43,281 | |
| #91 | Hard Prompts | - | 1439 | 53,244 | |
| #91 | Industry Writing And Literature And Language | - | 1398 | 20,720 | |
| #92 | German | - | 1400 | 1,484 | |
| #92 | Japanese | - | 1351 | 766 | |
| #92 | Korean | - | 1356 | 1,336 | |
| #96 | Creative Writing | - | 1386 | 13,641 | |
| #97 | Industry Entertainment And Sports And Media | - | 1384 | 17,599 | |
| #100 | French | - | 1425 | 2,195 | |
| #104 | Industry Life And Physical And Social Science | - | 1429 | 14,574 | |
| #106 | Exclude Ties | - | 1398 | 67,483 | |
| #106 | Overall | - | 1411 | 91,153 | |
| #110 | Chinese | - | 1436 | 4,491 | |
| #111 | Industry Legal And Government | - | 1414 | 6,567 | |
| #112 | Russian | - | 1397 | 8,599 | |
| #123 | Industry Medicine And Healthcare | - | 1420 | 5,734 | |
| #125 | Math | - | 1398 | 5,407 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #58 | Webdev-react | - | 1328 | 10,707 | |
| #65 | Webdev | - | 1324 | 21,787 | |
| #68 | Overall | - | 1326 | 22,687 | |
| #68 | Webdev-html | - | 1314 | 11,943 |