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Compare/Claude Opus 4.5 (latest) vs Claude Opus 4.6

Claude Opus 4.5 (latest) vs Claude Opus 4.6

AnthropicActive

Claude Opus 4.5 (latest)

$4.30 / $21.00 · 200,000 ctx · 25 providers
AnthropicActive

Claude Opus 4.6

$4.00 / $20.00 · 1,000,000 ctx · 37 providers
01Differences

At a glance

Computed automatically from tracked data.

• Claude Opus 4.5 (latest)'s input price is 7% lower than Claude Opus 4.6's ($4.30 vs $4.00 per 1M).
• Claude Opus 4.5 (latest)'s output price is 5% lower than Claude Opus 4.6's ($21.00 vs $20.00 per 1M).
• Claude Opus 4.6 has a 5× larger context window (1,000,000 vs 200,000 tokens).
02Specs

Side by side

Claude Opus 4.5 (latest)Claude Opus 4.6
Input / 1M$4.30$4.00
Output / 1M$21.00$20.00
Context200,0001,000,000
Max output64,000128,000
Providers2537
Released2025-11-242026-02-04
03Prices

Common providers

ProviderClaude Opus 4.5 (latest)Claude Opus 4.6
anthropic$5.00 / $25.00$5.00 / $25.00
azure$5.00 / $25.00$5.00 / $25.00
azure-cognitive-services$5.00 / $25.00$5.00 / $25.00
cloudflare-ai-gateway$5.00 / $25.00$5.00 / $25.00
digitalocean$5.00 / $25.00$5.00 / $25.00
edenai$5.00 / $25.00$5.00 / $25.00
google-vertex$5.00 / $25.00$5.00 / $25.00
google-vertex-anthropic$5.00 / $25.00$5.00 / $25.00
impossibl$5.00 / $25.00$5.00 / $25.00
kilo$5.00 / $25.00$5.00 / $25.00
nano-gpt$5.00 / $25.00$5.00 / $25.00
neon$5.00 / $25.00$5.00 / $25.00
04History

Recent changes

Claude Opus 4.5 (latest)
2026-09-14 — Added nano-gpt
2026-09-14 — Added nano-gpt
2026-09-08 — Removed 302ai
2026-09-04 — Removed github-copilot
2026-08-27 — Price up requesty
Claude Opus 4.6
2026-09-08 — Removed 302ai
2026-09-08 — Removed 302ai
2026-09-04 — Removed github-copilot
2026-08-27 — Price up requesty
2026-08-27 — Price up requesty
as of 2026-09-16
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