Compare
Diff any two versions, price your own workload across models and clouds, and see where each model is available.
Version-diff viewer
| Field | Claude Opus 5 | Claude Opus 5.5 | Change |
|---|---|---|---|
| Pricing (direct API) | |||
| Input / 1M tokens | $5 | $4 | better |
| Output / 1M tokens | $25 | $20 | better |
| Availability | |||
| Azure AI Foundry · eastus2 | GA | PREVIEW | worse |
| AWS Bedrock · ap-south-1 | GA | PREVIEW | worse |
| Lifecycle | |||
| Released | 2026-06-10 | 2026-09-22 | changed |
Cost calculator
My workload on model A vs model B, direct API vs Bedrock.
| Per request | Per day | Per month | Price basis | |
|---|---|---|---|---|
| A Claude Opus 5.5 — Direct API | $0.02 | $163 | $4,890 | $4 in / $20 out per 1M · cached $0.2 · effective 2026-09-22 |
| B Claude Opus 5.5 — AWS Bedrock | $0.02 | $166 | $4,980 | $4 in / $20 out per 1M · cached $0.4 · effective 2026-09-22 |
B costs ~2% more ($90.00/month) at this workload. Price is only half the answer: compare cost per completed task on the proof suites.
Availability matrix
Provider × region × date. GA vs preview.
| Platform | Region | Claude Opus 5 | Claude Opus 5.5 | Claude Sonnet 4.6 | Claude Sonnet 5 | Claude Haiku 4.5 | OpenAI Frontier 1 (demo) | OpenAI Frontier 2 (demo) | Gemini Pro 3 (demo) | Llama open-weight 2 70B (demo) |
|---|---|---|---|---|---|---|---|---|---|---|
| Direct API | global | GA 10 Jun 2026 | GA 22 Sept 2026 | GA 17 Feb 2026 | GA 10 Jun 2026 | GA 15 Oct 2025 | GA 2 Mar 2026 | GA 28 Aug 2026 | GA 15 Jul 2026 | — |
| AWS Bedrock | ap-south-1 | GA 8 Jul 2026 | PREVIEW 23 Sept 2026 | GA 10 Mar 2026 | GA 30 Jun 2026 | GA 1 Nov 2025 | — | — | — | — |
| AWS Bedrock | us-east-1 | GA 10 Jun 2026 | GA 22 Sept 2026 | — | GA 10 Jun 2026 | — | — | — | — | PREVIEW 23 Sept 2026 |
| AWS Bedrock | us-west-2 | GA 10 Jun 2026 | GA 22 Sept 2026 | — | — | — | — | — | — | — |
| Google Vertex AI | asia-south1 | — | — | — | — | — | — | — | GA 15 Jul 2026 | — |
| Google Vertex AI | global | GA 10 Jun 2026 | GA 22 Sept 2026 | — | GA 10 Jun 2026 | GA 15 Oct 2025 | — | — | — | — |
| Azure AI Foundry | centralindia | — | — | — | — | — | — | PREVIEW 18 Sept 2026 | — | — |
| Azure AI Foundry | eastus2 | GA 24 Jun 2026 | PREVIEW 22 Sept 2026 | — | — | — | GA 2 Mar 2026 | GA 4 Sept 2026 | — | — |