Anthropic

Claude Opus 4.6

anthropic/claude-opus-4.6
Released Feb 4, 2026Commercial
ThinkingToolsVisioncommercial cloud

Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...

Cost / 1M tokens

Very high usage

$5.00

input

$0.50

cached input

$25.00

output

Context Window

1M

Up to 128K max output

Modalities

text, image, file → text

Claude tokenizer

Quickstart & API

anthropic/claude-opus-4.6
Open the model picker in ChatOSS Desktop (Code, Kanban, or Chat) and select or paste this model ID.

Best for & Strengths

Key Strengths

Extended reasoningTool & agent callingMultimodal vision1M+ token context

Recommended Workloads in ChatOSS

  • Coding agents
  • Complex reasoning & debugging
  • Screenshot-to-code workflows
Available in ChatOSS Code, Kanban Orchestrate, and Chat modes via Plus, Max, or BYOK.

Verified Evaluations

Benchmarks & Frontier Comparison

How Claude Opus 4.6 compares against leading open-weight and proprietary frontier models across independent agentic coding and reasoning suites.

View full Top 40 Leaderboard →
Benchmark (Metric)Claude Opus 4.6DeepSeek V4.1 FlashGLM 5.3Kimi K3.1 ProClaude Opus 5.5
Agentic & Software Engineering
ChatOSS Agentic Coding Index (%)—63.2%58.3%65%74.1%
SWE-Bench Verified (%)—91.5%95.4%94.8%97%
DeepSWE v1.1 (Pass@1 %)—77%69%73.5%74.2%
Vibe Code Bench v1.1 (%)—87.7%78.1%88.4%90.3%
Terminal-Bench 4.0 (%)—42.3%42%46.2%65.2%
Code Migration (%)—45.6%44.2%52%66.7%
Intelligence & Token Economics
Artificial Analysis Intelligence Index (0–100)31.939.544.855.157.6
Input Price (/ 1M tokens)$5.00$0.15$1.40$2.00$4.00
Output Price (/ 1M tokens)$25.00$0.60$4.40$10.00$20.00

Artificial Analysis Intelligence Index

Artificial Analysis

31.9

Design Arena: AGENTICGAMEDEV

Design Arena · Rank #10 (46.3% win)

1164 Elo

Design Arena: ANDROIDNATIVE

Design Arena · Rank #14 (62.3% win)

1195 Elo

Design Arena: BLENDER3D

Design Arena · Rank #19 (38.3% win)

1073 Elo

Design Arena: FULLSTACK

Design Arena · Rank #13 (59.9% win)

1220 Elo

Active Provider Endpoints (6)

Upstream inference providers serving Claude Opus 4.6, with per-provider pricing, context limits, quantization, and 24-hour uptime.

ProviderInput / 1MOutput / 1MCache Read / 1MContextMax OutputQuantizationUptime (24h)
Claude Platform on AWS
claude-on-aws
$5.00$25.00$0.501M128K—100.0%
Azure
azure/global
$5.00$25.00$0.501M128K—100.0%
Google
google-vertex/global
$5.00$25.00$0.501M128K—100.0%
Amazon Bedrock
amazon-bedrock
$5.00$25.00$0.501M128K—100.0%
Anthropic
anthropic
$5.00$25.00$0.501M128K—100.0%
Google
google-vertex/europe
$5.50$27.50$0.551M128K—100.0%

Supported API Parameters

Parameters accepted by this model when called through ChatOSS or OpenRouter.

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_pverbosity

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