Anthropic: Claude Opus 4.5
Released Nov 24, 2025Try it on:
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
Best overall rank
#12
Across all subsets · overall
Total arena votes
684,112
Across 62 (subset, category) entries
Providers on OR
5
Anthropic + others
First seen
2026-05-08
26 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $5.00
- Output (per 1M)
- $25.00
- Cache Read (per 1M)
- $0.500
- Cache Write (per 1M)
- $6.25
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
verbosity
Providers
| Provider | Region / Tag | Context | Input/M | Output/M | Uptime 1d | Latency | Quant | Cache |
|---|---|---|---|---|---|---|---|---|
| Anthropic | anthropic | 200K | $5.00 | $25.00 | 99.93% | - | - | - |
google-vertex/global | 200K | $5.00 | $25.00 | 99.92% | - | - | - | |
| Amazon Bedrock | amazon-bedrock | 200K | $5.00 | $25.00 | 99.62% | - | - | - |
| Anthropic | anthropic/2 | 200K | $5.00 | $25.00 | 98.87% | - | - | - |
| Amazon Bedrock | amazon-bedrock/eu-west-1 | 200K | $5.00 | $25.00 | - | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| ★ #5 | Coding | thinking-32k | 1530 | 7,628 | |
| #6 | Instruction Following | thinking-32k | 1484 | 9,460 | |
| #7 | Creative Writing | thinking-32k | 1468 | 5,546 | |
| #8 | Industry Entertainment And Sports And Media | thinking-32k | 1455 | 6,788 | |
| #8 | Longer Query | thinking-32k | 1495 | 9,258 | |
| #9 | Creative Writing | - | 1463 | 10,245 | |
| #9 | Hard Prompts English | thinking-32k | 1505 | 9,405 | |
| #9 | Industry Legal And Government | thinking-32k | 1485 | 2,672 | |
| #9 | Industry Software And It Services | thinking-32k | 1512 | 12,738 | |
| #10 | English | thinking-32k | 1484 | 17,029 | |
| #10 | Instruction Following | - | 1476 | 18,864 | |
| #10 | Korean | - | 1449 | 1,005 | |
| #11 | French | - | 1506 | 1,677 | |
| #11 | German | thinking-32k | 1478 | 614 | |
| #11 | Hard Prompts | thinking-32k | 1499 | 19,787 | |
| #11 | Industry Entertainment And Sports And Media | - | 1453 | 12,451 | |
| #11 | Industry Writing And Literature And Language | - | 1465 | 15,054 | |
| #11 | Longer Query | - | 1492 | 20,053 | |
| #11 | Multi Turn | thinking-32k | 1487 | 6,474 | |
| #12 | Industry Writing And Literature And Language | thinking-32k | 1465 | 8,327 | |
| #12 | Spanish | thinking-32k | 1471 | 984 | |
| #13 | Coding | - | 1521 | 15,711 | |
| #13 | Expert | thinking-32k | 1505 | 2,204 | |
| #13 | Hard Prompts | - | 1498 | 37,926 | |
| #13 | Japanese | thinking-32k | 1457 | 311 | |
| #13 | Multi Turn | - | 1484 | 11,654 | |
| #14 | Hard Prompts English | - | 1499 | 18,389 | |
| #16 | Expert | - | 1502 | 4,614 | |
| #16 | Industry Business And Management And Financial Operations | - | 1472 | 12,541 | |
| #16 | Industry Legal And Government | - | 1480 | 4,820 | |
| #17 | English | - | 1479 | 30,790 | |
| #17 | Industry Life And Physical And Social Science | thinking-32k | 1489 | 5,824 | |
| #18 | Exclude Ties | thinking-32k | 1484 | 26,818 | |
| #18 | French | thinking-32k | 1492 | 766 | |
| #18 | German | - | 1468 | 1,025 | |
| #18 | Industry Medicine And Healthcare | - | 1489 | 4,337 | |
| #18 | Industry Software And It Services | - | 1506 | 24,146 | |
| #19 | Industry Mathematical | - | 1479 | 3,115 | |
| #19 | Overall | thinking-32k | 1473 | 37,130 | |
| #20 | Industry Business And Management And Financial Operations | thinking-32k | 1467 | 6,877 | |
| #20 | Industry Life And Physical And Social Science | - | 1487 | 10,310 | |
| #21 | Russian | - | 1473 | 7,035 | |
| #22 | Exclude Ties | - | 1478 | 48,465 | |
| #22 | Industry Medicine And Healthcare | thinking-32k | 1488 | 2,338 | |
| #22 | Math | thinking-32k | 1470 | 2,265 | |
| #24 | Japanese | - | 1436 | 530 | |
| #24 | Overall | - | 1469 | 66,107 | |
| #25 | Math | - | 1467 | 4,078 | |
| #25 | Russian | thinking-32k | 1466 | 3,851 | |
| #25 | Spanish | - | 1463 | 1,750 | |
| #28 | Industry Mathematical | thinking-32k | 1471 | 1,554 | |
| #33 | Chinese | - | 1501 | 3,349 | |
| #34 | Chinese | thinking-32k | 1497 | 1,828 | |
| #45 | Korean | thinking-32k | 1402 | 550 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #12 | Overall | thinking-32k | 1490 | 13,063 | |
| #12 | Webdev | thinking-32k | 1490 | 13,063 | |
| #12 | Webdev-html | thinking-32k | 1503 | 7,948 | |
| #13 | Webdev-react | thinking-32k | 1476 | 5,096 | |
| #16 | Overall | - | 1467 | 15,300 | |
| #16 | Webdev | - | 1467 | 15,300 | |
| #16 | Webdev-react | - | 1460 | 6,895 | |
| #17 | Webdev-html | - | 1475 | 8,380 |