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Previous generation AI: prices and plans

Previous generation models

Listed by maker, A to Z.

#NameListed priceChecked
1Claude Haiku 4.5Anthropic$1 / $5Nov 9, 2026
2Claude Opus 4Anthropic$15 / $75Nov 9, 2026
3Claude Opus 4.1Anthropic$15 / $75Nov 9, 2026
4Claude Opus 4.5Anthropic$5 / $25Nov 9, 2026
5Claude Opus 4.6Anthropic$5 / $25Nov 9, 2026
6Claude Opus 4.7Anthropic$5 / $25Nov 9, 2026
7Claude Opus 4.8Anthropic$5 / $25Nov 9, 2026
8Claude Opus 5Anthropic$5 / $25Nov 9, 2026
9Claude Sonnet 4Anthropic$3 / $15Nov 9, 2026
10Claude Sonnet 4.5Anthropic$3 / $15Nov 9, 2026
11Claude Sonnet 4.6Anthropic$3 / $15Nov 9, 2026
12Claude Sonnet 5Anthropic$2 / $10Nov 9, 2026
13Gemini 2.5 FlashGoogle$0.30 / $2.50Nov 9, 2026
14Gemini 2.5 Flash-LiteGoogle$0.10 / $0.40Nov 9, 2026
15Gemini 2.5 ProGoogle$1.25 / $10Nov 9, 2026
16Kimi K2.6Moonshot AI$0.95 / $4Nov 9, 2026
17GLM-4.5-AirZ.ai$0.20 / $1.10Nov 9, 2026
18GLM-4.7Z.ai$0.60 / $2.20Nov 9, 2026
19GLM-5Z.ai$1 / $3.20Nov 9, 2026

Latest changes

Aug 5, 2026 Claude Opus 4.1 (claude-opus-4-1-20250805) retired; Anthropic names Claude Opus 4.8 as the replacementDeprecationClaude Opus 4.1platform.claude.comJun 15, 2026 Claude Opus 4 (claude-opus-4-20250514) retired; Anthropic names Claude Opus 4.8 as the replacementDeprecationClaude Opus 4platform.claude.comJun 15, 2026 Claude Sonnet 4 (claude-sonnet-4-20250514) retired; Anthropic names Claude Sonnet 5.5 as the replacementDeprecationClaude Sonnet 4platform.claude.com

Announced, not in effect yet

From Nov 30, 2026 Announced: Claude Sonnet 4.5 (claude-sonnet-4-5-20250929) retires; Anthropic names Claude Sonnet 5.5 as the replacementAnnouncedClaude Sonnet 4.5Listed on platform.claude.com, read Nov 9, 2026From Dec 1, 2026 Announced: gemini-2.5-flash requests route to Gemini 3.5 Flash-LiteAnnouncedGemini 2.5 FlashListed on ai.google.dev, read Nov 9, 2026From Dec 1, 2026 Announced: gemini-2.5-pro requests route to Gemini 3.8 FlashAnnouncedGemini 2.5 ProListed on ai.google.dev, read Nov 9, 2026

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Questions

How many previous generation AI products do you track

19: 19 models.

What is the cheapest previous generation model

Gemini 2.5 Flash-Lite, at $0.10 / $0.40 per 1M tokens in / out, by listed price.