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
#44
Across all subsets · overall
Total arena votes
453,707
Across 30 (subset, category) entries
Providers on OR
4
Anthropic + others
First seen
2026-05-08
26 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
Unmoderated
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 |
|---|---|---|---|---|---|---|---|---|
| Anthropic | anthropic | 200K | $15.00 | $75.00 | 100.00% | - | - | - |
| Amazon Bedrock | amazon-bedrock | 200K | $15.00 | $75.00 | 99.91% | - | - | - |
google-vertex/global | 200K | $15.00 | $75.00 | 97.25% | - | - | - | |
google-vertex | 200K | $15.00 | $75.00 | - | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #26 | Longer Query | - | 1472 | 17,745 | |
| #27 | Instruction Following | - | 1455 | 20,321 | |
| #27 | Spanish | - | 1463 | 1,993 | |
| #29 | Creative Writing | - | 1442 | 10,723 | |
| #34 | Coding | - | 1505 | 15,538 | |
| #34 | Hard Prompts English | - | 1482 | 19,376 | |
| #35 | Industry Entertainment And Sports And Media | - | 1433 | 14,106 | |
| #35 | Multi Turn | - | 1469 | 13,252 | |
| #36 | Industry Writing And Literature And Language | - | 1444 | 17,221 | |
| #36 | Russian | - | 1454 | 5,729 | |
| #37 | Hard Prompts | - | 1477 | 38,916 | |
| #40 | Industry Medicine And Healthcare | - | 1475 | 4,356 | |
| #42 | Japanese | - | 1404 | 1,042 | |
| #45 | English | - | 1457 | 36,384 | |
| #45 | Industry Business And Management And Financial Operations | - | 1447 | 13,944 | |
| #46 | Industry Software And It Services | - | 1486 | 26,339 | |
| #47 | Industry Legal And Government | - | 1458 | 5,275 | |
| #47 | Korean | - | 1400 | 1,522 | |
| #47 | Overall | - | 1447 | 77,373 | |
| #48 | Exclude Ties | - | 1447 | 55,807 | |
| #49 | French | - | 1464 | 1,278 | |
| #49 | Industry Life And Physical And Social Science | - | 1464 | 12,088 | |
| #50 | German | - | 1438 | 1,474 | |
| #54 | Expert | - | 1466 | 3,890 | |
| #59 | Math | - | 1433 | 4,723 | |
| #62 | Industry Mathematical | - | 1441 | 3,776 | |
| #72 | Chinese | - | 1466 | 3,839 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #43 | Webdev-html | - | 1393 | 8,547 | |
| #44 | Overall | - | 1386 | 8,565 | |
| #44 | Webdev | - | 1386 | 8,565 |