Claude Opus 4.5 (Reasoning)
AnthropicClaude
Description
Premium model combining maximum intelligence with practical performance. Best model in the world for coding, agents, and computer use. Most robustly aligned model with best prompt injection resistance of any frontier model. Features extended thinking, 200K context window, 64K max output, and a new effort parameter for controlling reasoning depth. Pricing: $5/$25 per million tokens (input/output).
Release Date
2025-11-24
Parameters
—
Context Length
200K
Modalities
image, pdf, text
Capability Radar
54
general
79
coding
91
reasoning
62
scienceest.
80
agents
80
multimodal
Science uses a reasoning proxy when dedicated science benchmarks are unavailable.
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 13 | 89.0 | AA |
| General Ranking | 37 | 78.0 | AA |
| Math Reasoning | 31 | 92.0 | AA |
| Science | 38 | 75.0 | AA |
Benchmark Scores (LLM Stats)
Agents
OSWorld
66.3%SR
MCP Atlas
62.3%SR
Terminal-Bench 2.0
59.3%SR
Biology
GPQA
87.0%SR
Code
SWE-Bench Verified
80.9%SR
Communication
Tau2 Telecom
98.2%SR
Tau2 Retail
88.9%SR
General
MMMLU
90.8%SR
MMMU (validation)
80.7%SR
LiveBench
76.0%SR
Reasoning
ARC-AGI v2
37.6%SR
AA Evaluation Indices
Math Index91.3
Intelligence Index40.8
Aime 250.9
Mmlu Pro0.9
Tau20.9
Livecodebench0.9
Gpqa0.9
Lcr0.7
Ifbench0.6
Scicode0.5
Terminalbench Hard0.5
Hle0.3
LLM Stats Category Scores
Language90
Physics90
Biology90
Chemistry90
Communication90
Math80
Reasoning80
Frontend Development80
General80
Healthcare80
Tool Calling80
Multimodal70
Code70
Agents60
Vision60
Spatial Reasoning40
Pricing
Input Price$5 / 1M tokens
Output Price$25 / 1M tokens
Blended Price (3:1)$10 / 1M tokens
Cache Read Price$0.5 / 1M tokens
Cache Write Price$6.25 / 1M tokens
Speed
Tokens/sec77.1
Time to First Token13.57s
Time to Answer13.57s
Provider Price Ranking
Provider Price Ranking
21 providers
Cheapest: QiHangMost Expensive: Cortecs
ProviderInputOutput
1QiHangCheapest
$0.71
$3.57
2Poe
$4.3
$21
3Jiekou.AI
$4.5
$22.5
4NanoGPT
$4.998
$25.007
5AnthropicPRIMARY
$5
$25
6302.AI
$5
$25
7Abacus
$5
$25
8Perplexity Agent
$5
$25
9OpenRouter
$5
$25
10ZenMux
$5
$25
11Kilo Gateway
$5
$25
12Cloudflare AI Gateway
$5
$25
13GitHub Copilot
$5
$25
14Vertex (Anthropic)
$5
$25
15Requesty
$5
$25
16Vercel AI Gateway
$5
$25
17LLM Gateway
$5
$25
18Vertex
$5
$25
19OrcaRouter
$5
$25
20Merge Gateway
$5
$25
21Cortecs
$5.98
$29.89
Compare pricing across different API providers for this model.