How much does Claude Opus 4.8 cost?

Claude Opus 4.8 costs $5 per million input tokens and $25 per million output tokens. The blended average is $15.00 per million tokens.

What is the context window of Claude Opus 4.8?

Claude Opus 4.8 supports a context window of 1000K tokens (1,000,000 tokens) and can generate up to 64K output tokens per request.

What is Claude Opus 4.8 best for?

Claude Opus 4.8 is best for: Coding, agents & computer use. It supports chat, vision, function_calling, code, reasoning capabilities.

Claude Opus 4.8 — Pricing, Benchmarks & Specs

Claude Opus 4.8

Anthropicflagship New

Anthropic's May 28 2026 flagship and the new #1 on the Artificial Analysis Intelligence Index at 61.4 (+4.1 over Opus 4.7, +1.2 ahead of GPT-5.5). SWE-bench Verified 88.6%, SWE-bench Pro 69.2%, Terminal-Bench 2.1 74.6%, and a leading 49.8% on Humanity's Last Exam. Strongest computer-use/browser-agent model tested (Online-Mind2Web 84%). Same $5/$25 pricing as Opus 4.7; fast mode is ~2.5x faster and ~3x cheaper.

Context Window

tokens

Max Output

64K

tokens

Input Price

per 1M tokens

Output Price

$25

per 1M tokens

Speed

tokens/sec

Released

May 2026

2026-05-28

Blended Cost

$15.00

per 1M tokens

Value Score

6.6

quality per $

Capabilities

ChatVisionFunction CallingCode GenerationReasoning

Benchmarks

Quality Index

MMLU Pro

90.6

HumanEval (Coding)

96.2

MATH

90.4

Arena ELO

1512

Try in Playground Use via Swfte Connect Anthropic Docs

Compare With

Quality: 91·$45.00/1M

About Claude Opus 4.8

Claude Opus 4.8 is a flagship AI model by Anthropic, released on May 28, 2026. It supports a context window of 1000K tokens and can generate up to 64K output tokens.

At $5 per million input tokens and $25 per million output tokens, its blended cost of $15.00/1M tokens places it in the premium pricing tier. Its value score of 6.6 reflects the balance of quality and cost.

Using Claude Opus 4.8 with Swfte

Access Claude Opus 4.8 through Swfte Connect, our unified LLM gateway. Connect gives you a single API for 50+ models, with automatic routing, cost optimization, and fallback handling. You can also try Claude Opus 4.8 in our AI Playground before integrating.