Claude Opus 4.6

Feb 2026
Claude Opus 4.6
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—per task?
$5 / $25per 1M in / outcache $0.50
48 tok/sfirst token in 21 s?
1Mcontext

Rankingat max effort?

Alternatives?

Benchmarks

all categories
Chat & Knowledge
SimpleQA-Verifiedlab46.2
Chinese-SimpleQAlab76.2
MMLU-Pro EMlab89.1
MMLU-Pro · official boardlab89.1
HMMT February 2026lab96.2
IMOAnswerBenchlab75.3
Apexlab34.5
Apex Shortlistlab85.9
MRCR 1M MMRlab92.9
CorpusQA 1Mlab71.7
GDPval-AA Elolab1,619
Coding
DeepSWE 127.6#7
SWE-bench Pro (edition unstated)lab57.3
Terminal Bench 2.0lab65.4
LiveCodeBenchlab88.8
SWE Verifiedlab80.8
SWE Multilinguallab77.5
Agents & Tool Use
MCP-Atlas · full 100076.8#4
MCP-Atlas Public79#5
EBR Bench12.7#19
Toolathlonlab47.2
BrowseComplab83.7
HLE without toolslab40
HLE with toolslab53.1
MCPAtlas Publiclab73.8
Writing & Language
Vision & Documents

FAQ

How much does Claude Opus 4.6 cost?›

$5 per 1M input tokens and $25 per 1M output tokens; cached input $0.50 per 1M.

Is Claude Opus 4.6 free to use?›

There is no free API; the cheapest paid price is $5 per 1M input tokens.

How good is Claude Opus 4.6, and what is it best at?›

#45 of 334 in Chat & Knowledge, #31 of 44 in Coding, #5 of 16 in Agents & Tool Use, #4 of 195 in Writing & Language, #44 of 124 in Vision & Documents. Strongest at: Tool calling, Reasoning, Science, Long context, Knowledge.

Is Claude Opus 4.6 better than GPT-5.4?›

On APEX-Agents, Claude Opus 4.6 scores 33 vs 33.3 — about the same.

How can I use Claude Opus 4.6?›

Through the API of Amazon Bedrock, Anthropic, Azure, Claude Platform on AWS, Google.

What is the context window of Claude Opus 4.6?›

1M tokens, with up to 128K output tokens.

When was Claude Opus 4.6 released? Is there a newer version?›

Released 2026-02-04. It has been superseded by Claude Opus 4.7.

Is Claude Opus 4.6 open source?›

No, Claude Opus 4.6 is a closed model available through an API. The closest open-weights option here is Kimi K3.

Can Claude Opus 4.6 read images?›

It accepts text and images, PDF files as input.

What is Claude Opus 4.6?›

Claude Opus 4.6 is a closed language model from Anthropic, released Feb 2026, the successor to Claude Opus 4.5.

What are the best alternatives to Claude Opus 4.6?›

Qwen3.8 Max (0902) (cheaper), GPT-5.6 Luna (better), Kimi K3 (open weights).