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Claude Opus 4.8

by Anthropic · Released May 2026

Multimodal1M Context
71.8
avg score
Rank #33
Compare
Better than 89% of all models
Context
1.0M tokens (~500 books)
Input $/1M
$5.00
Output $/1M
$25.00
Type
multimodal
License
Proprietary
Benchmarks
29 tested
Data as of
About

Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...

Tested on 29 benchmarks · BenchGecko score 71.8. Top scores: Chatbot Arena Elo — Coding (1534.1%), Chatbot Arena Elo — Overall (1474.5%), OTIS Mock AIME 2024-2025 (98.3%).

Looking for similar performance at lower cost?
MiniMax M2 scores 72.4 (101% as good) at $0.30/1M input · 94% cheaper
Capabilities
coding
58.9
#53 globally
reasoning
74.1
#32 globally
math
62.6
#74 globally
knowledge
51.1
#118 globally
agentic
48.9
#22 globally
general
46.7
#41 globally
Benchmark Scores
Compare All
Tested on 29 benchmarks · Ranked across 7 categories
Score Distribution (all 312 models)
0255075100
▲ You are here
codingCompare coding →
WeirdML

Unusual and adversarial machine learning challenges. Tests robustness of reasoning about edge cases in ML systems.

82.9·
Deepswe
59.0·
GSO-Bench

GitHub Star Optimization benchmark. Evaluates ability to understand and improve open-source projects to increase quality and adoption.

47.1·
reasoningCompare reasoning →
ARC-AGI

Abstraction and Reasoning Corpus. Tests fluid intelligence through novel visual pattern recognition puzzles. Core measure of general intelligence.

92.5·
ARC-AGI-2

ARC-AGI 2, harder sequel to ARC. More complex abstract reasoning patterns that test generalization ability beyond training data.

72.1·
SimpleBench

Deceptively simple questions that humans find easy but AI models often get wrong. Tests common sense and reasoning gaps.

57.8·
mathCompare math →
OTIS Mock AIME 2024-2025

Mock AIME (American Invitational Mathematics Exam) problems from OTIS. Tests mathematical competition performance.

98.3·
FrontierMath-Tiers-1-3-v2-Private
80.0·
FrontierMath-Tier-4-v2-Private
56.1·
Quick compare:Alibaba Qwen logovs Qwen2.5 Coder 32B Instructz-ai logovs GLM 4.5minimax logovs MiniMax M2
Excellent (85+) Good (70-85) Average (50-70) Below (<50)
Model Family · Anthropic Claude Opus
Jan 2024
28.1
n/an/actx13 benchmarks
May 2025
49.8+21.7
$15.00/M in200Kctx23 benchmarks
Aug 2025
42.3-7.5
$15.00/M in200Kctx23 benchmarks
Aug 2025
$7.50/M in(-7.50)200Kctx
Nov 2025
59.0+16.7
$5.00/M in(-2.50)200Kctx42 benchmarks
Nov 2025
$2.50/M in(-2.50)200Kctx
Feb 2026
66.4+7.4
$5.00/M in(+2.50)1.0Mctx(+800K)40 benchmarks
Feb 2026
$2.50/M in(-2.50)1.0Mctx
Apr 2026
83.3+16.9
$30.00/M in(+27.50)1.0Mctx12 benchmarks
Apr 2026
65.6-17.7
$5.00/M in(-25)1.0Mctx30 benchmarks
Apr 2026
$2.50/M in(-2.50)1.0Mctx
May 2026
$30.00/M in(+27.50)1.0Mctx3 benchmarks
May 2026
71.8+6.2
$5.00/M in(-25)1.0Mctx29 benchmarks
May 2026
$2.50/M in(-2.50)1.0Mctx
May 2026
$10.00/M in(+7.50)1.0Mctx3 benchmarks
Jul 2026
86.5+14.7
$5.00/M in(-5)1.0Mctx23 benchmarks
Jul 2026
$2.50/M in(-2.50)1.0Mctx
Jul 2026
$10.00/M in(+7.50)1.0Mctx
Sep 2026
96.8+10.3
$4.00/M in(-6)1.0Mctx24 benchmarks
Sep 2026
$2.00/M in(-2)1.0Mctx
See the full Claude Opus family →
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Links
Info
AnthropicPricing explorerDevelopers · API
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Documentation
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Community
@Anthropic
BenchGecko API
claude-opus-4-8
Specifications
  • Typemultimodal
  • Context1.0M tokens (~500 books)
  • ReleasedMay 2026
  • LicenseProprietary
  • StatusActive
  • Cost / Message~$0.035
Available On
Anthropic logoAnthropic$5.00
Categories
codingreasoningmathknowledgeagenticgeneral
Learn More
context-windowtransformertokens
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Claude Opus 4.8 is a proprietary multimodal AI model by Anthropic, released in May 2026. It has an average benchmark score of 71.8. Context window: 1M tokens.

Related Models

Qwen2.5 Coder 32B Instruct · Alibaba QwenGLM 4.5 · z-aiMiniMax M2 · minimaxQwen2.5 14B Instruct · AlibabaHermes 3 70B Instruct · nousresearch

Benchmarks

Chatbot Arena Elo — CodingChatbot Arena Elo — OverallOTIS Mock AIME 2024-2025ARC-AGIDtbench

Related Pages

Anthropic · ProviderAnthropic · EconomyAll ModelsCompare ModelsPricingDevelopers · APIContext Window · Glossary

Key facts · as of 2026-10-05

  • Claude Opus 4.8 by Anthropic. BenchGecko score 71.8, rank 33 of 312 scored models (normalized average of public benchmark scores).
  • List price $5.00 input · $25.00 output per 1M tokens (as of 2026-10-05).

How to cite · data as of 2026-10-05

Claude Opus 4.8 · benchmarks, pricing and providers. BenchGecko, data as of 2026-10-05. https://benchgecko.ai/model/claude-opus-4-8

Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP