AI Model Watch
Deprecations / Migrate

Migrate off Claude Opus 4.1

Retired

Claude Opus 4.1 has been retired and shut down on 5 Aug 2026. Anthropic's official replacement is Claude Opus 4.8. The cheapest comparable model we track is Amazon Nova Lite (Amazon) at $0.105 per 1M tokens blended.

Last verified: 13 Aug 2026 · sourced from official provider documentation

StatusRetiredAnthropic
Shut down5 Aug 2026deprecated 5 Jun 2026
Official replacementClaude Opus 4.8$10 /M blendedCheapest alternativeAmazon Nova Lite$0.105 /M blended
What changes

Claude Opus 4.1 → Claude Opus 4.8

Moving to Claude Opus 4.8 means 3.0× cheaper ($30 → $10 /1M blended) and a larger context window (200K → 1M).

SpecClaude Opus 4.1Claude Opus 4.8
StatusRetiredGA
Blended price /1M$30$10
Input / output /1M$15 / $75$5 / $25
Context window200K1M
Max output32.000128.000
Modalitytext, image, visiontext, image, vision
Knowledge cutoffJan 2025Jan 2026

API string was claude-opus-4-1-20250805 → switch to claude-opus-4-8. See Claude Opus 4.8's full spec sheet →

Cheapest alternatives

Budget-friendly replacements for Claude Opus 4.1

Generally-available models that match Claude Opus 4.1's capabilities (and at least half its 200K context), ranked by blended price. Every number is computed from official catalog prices.

ModelBlended /1MInput / outputContext
Amazon Nova Lite
Amazon
$0.105$0.06 / $0.24300K
Llama 4 Scout (17B-16E Instruct)
Meta
$0.15$0.1 / $0.310M
Ministral 3 8B
Mistral
$0.15$0.15 / $0.15256K
FAQ

Migrating off Claude Opus 4.1

What replaces Claude Opus 4.1?

Anthropic's recommended migration for Claude Opus 4.1 is Claude Opus 4.8. The cheapest comparable model in our catalog is Amazon Nova Lite (Amazon) at $0.105/1M blended.

Is Claude Opus 4.1 still available?

No — Claude Opus 4.1 has been retired (shut down 5 Aug 2026) and is no longer available via Anthropic's API.

What is the cheapest alternative to Claude Opus 4.1?

Amazon Nova Lite (Amazon) is the cheapest generally-available alternative we track that matches Claude Opus 4.1's capabilities, at $0.06 per 1M input and $0.24 per 1M output tokens ($0.105/1M blended).

Browse the full deprecation watch → or see Claude Opus 4.1's full spec sheet →