Anthropic: Claude Opus 4.1
Released Aug 5, 2025Try it on:
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...
Best overall rank
#51
▼ 3 vs 7d ago
Total arena votes
497,764
Across 32 (subset, category) entries
Providers on OR
4
Google + others
First seen
2026-05-08
61 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $15.00
- Output (per 1M)
- $75.00
- Cache Read (per 1M)
- $1.50
- Cache Write (per 1M)
- $18.75
Per unit
- Web search
- $0.010/call
Capabilities
Modality
text+image+file->textContext
200K tokens
Tokenizer
Claude
Knowledge cutoff
2025-01-31
Max output
32K 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 |
|---|---|---|---|---|---|---|---|---|
google-vertex/global | 200K | $15.00 | $75.00 | 100.00% | - | - | - | |
| Anthropic | anthropic | 200K | $15.00 | $75.00 | 99.95% | - | - | - |
| Amazon Bedrock | amazon-bedrock | 200K | $15.00 | $75.00 | 99.90% | - | - | - |
| Azure | azure/us-east-2 | 200K | $15.00 | $75.00 | - | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #29 | Spanish | - | 1464 | 1,992 | |
| #31 | Instruction Following | - | 1455 | 20,311 | |
| #34 | Longer Query | - | 1472 | 17,722 | |
| #35 | Creative Writing | - | 1442 | 10,719 | |
| #37 | Industry Entertainment And Sports And Media | - | 1433 | 14,088 | |
| #39 | Coding | - | 1505 | 15,510 | |
| #39 | Hard Prompts English | - | 1483 | 19,357 | |
| #40 | Multi Turn | - | 1469 | 13,241 | |
| #41 | Hard Prompts | - | 1477 | 38,881 | |
| #41 | Russian | - | 1454 | 5,724 | |
| #42 | Industry Writing And Literature And Language | - | 1444 | 17,211 | |
| #45 | Industry Medicine And Healthcare | - | 1474 | 4,322 | |
| #48 | Polish | - | 1450 | 3,612 | |
| #49 | Korean | - | 1401 | 1,521 | |
| #52 | English | - | 1458 | 36,358 | |
| #52 | Industry Business And Management And Financial Operations | - | 1446 | 13,923 | |
| #52 | Overall | - | 1447 | 77,292 | |
| #53 | Industry Software And It Services | - | 1486 | 26,306 | |
| #54 | Exclude Ties | - | 1447 | 55,747 | |
| #55 | Industry Legal And Government | - | 1458 | 5,265 | |
| #55 | Industry Life And Physical And Social Science | - | 1464 | 12,079 | |
| #55 | Non English | - | 1432 | 40,886 | |
| #56 | Japanese | - | 1405 | 1,043 | |
| #58 | French | - | 1463 | 1,275 | |
| #59 | German | - | 1439 | 1,473 | |
| #61 | Expert | - | 1466 | 3,892 | |
| #66 | Industry Mathematical | - | 1441 | 3,769 | |
| #67 | Math | - | 1434 | 4,725 | |
| #80 | Chinese | - | 1465 | 3,834 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #51 | Overall | - | 1386 | 8,568 | |
| #51 | Webdev | - | 1386 | 8,568 | |
| #51 | Webdev-html | - | 1393 | 8,550 |