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Claude Opus 4.5
anthropic·anthropic/claude-opus-4-5-20251101·GA·Closed·claude-opus series
Flagship Claude model for deep reasoning, coding, and long-horizon agents
At a glance
Official price$5.00 / $25.00 per 1M
Cache read $0.50 · Anthropic
Lowest paid$0.71 / $3.57
QiHang Gateway · 8.5× spread
Context200,000
⚠ Providers report 196,608–200,000; the table below is authoritative
Output limit64,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff2025-05
Released / updated2025-11-01 / 2025-11-01
Quality & performanceArtificial Analysis · Intelligence Index v4.1 · rep. tier Reasoning
Intelligence41.9
Value29
Coding—
Agentic—
Output speed46 tok/s
TTFT11.19 s
Value formulaIQ 41.9 ÷ min blended $1.425 = 29
Reasoning tier → intelligence / speed (higher tier = stronger but slower)
Non-reasoningIQ 35.6 · 45 tok/s
ReasoningIQ 41.9 · 46 tok/s
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 17 providers17 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| QiHang | Gateway | $0.71 | $3.57 | — | — | 200,000 | 32,000 | |
| Poe anthropic/claude-opus-4.5 | Gateway | $4.30 | $21.00 | $0.43 | $5.30 | 196,608 ⚠ | 64,000 | |
| Vertex claude-opus-4-5@20251101 | First-party | $5.00 | $25.00 | $0.50 | $6.25 | 200,000 | 64,000 | |
| Vertex (Anthropic) claude-opus-4-5@20251101 | Cloud | $5.00 | $25.00 | $0.50 | $6.25 | 200,000 | 64,000 | |
| AnthropicOfficial | First-party | $5.00 | $25.00 | $0.50 | $6.25 | 200,000 | 64,000 | |
| Amazon Bedrock anthropic.claude-opus-4-5-20251101-v1:0 | Cloud | $5.00 | $25.00 | $0.50 | $6.25 | 200,000 | 64,000 | |
| ZenMux anthropic/claude-opus-4.5 | Gateway | $5.00 | $25.00 | $0.50 | $6.25 | 200,000 | 64,000 | |
| Perplexity Agent anthropic/claude-opus-4-5 | Gateway | $5.00 | $25.00 | $0.50 | — | 200,000 | 64,000 | |
| Azure Cognitive Services claude-opus-4-5 | First-party | $5.00 | $25.00 | $0.50 | $6.25 | 200,000 | 64,000 | |
| 302.AI claude-opus-4-5 | Gateway | $5.00 | $25.00 | — | — | 200,000 | 64,000 | |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1QiHang$320.50
2Poe$1,445.60
3Vertex$1,710.00
4Vertex (Anthropic)$1,710.00
5Anthropic · Official$1,710.00
6Amazon Bedrock$1,710.00
Switch to QiHang to save $1,389.50/mo (81%)
Note: this is a gateway; verify availability and rate limits yourself.
Benchmark1 items
| Name | Conditions | Score | Metric | Source |
|---|---|---|---|---|
| SWE-Bench Pro | dataset: public | 45.89 | resolve rate | Source ↗ |
The same benchmark scores very differently across harness / dataset, so the qualifying conditions must be shown together.
Reasoning control
effort = loweffort = mediumeffort = highbudget_tokens ≥ 1,024 ≤ 31,999effort = xhigheffort = maxToggle (on / off)
3 / 17 providers expose no reasoning control (reasoning_options: []).
Related models
Claude Opus 5same series$5.00 / $25.00Claude Opus 5 (Fast)same series$12.00 / $60.00Claude Opus 5 (EU)same series$5.50 / $27.50GLM-5.2cheaper alternative$1.40 / $4.40GPT OSS 120Bcheaper alternative$1.00 / $4.20Kimi K2.6cheaper alternative$0.95 / $4.00DeepSeek V4 Procheaper alternative$0.435 / $0.87
Price historyone sample accumulated per data sync
Input listOutput listMin blended