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Claude 4.5 Opus
anthropic·anthropic/claude-4.5-opus·GA·Closed·claude-opus series
Flagship Claude model for deep reasoning, coding, and long-horizon agents
At a glance
Reference price$5.00 / $25.00 per 1M
Cache read $0.50 · NanoGPT
Lowest paid$5.00 / $25.00
NanoGPT Gateway
Context200,000
Output limit32,000
Capabilities
✓ Reasoning✓ Tool useStructured output✓ Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff2025-05
Released / updated2025-11-25 / 2025-11-25
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 2 providers1 with public prices
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
1NanoGPT$1,710.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = loweffort = mediumeffort = higheffort = xhigheffort = max
1 / 2 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