Claude Opus 4.5 vs Claude Opus 4.7
Claude Opus 4.7 leads the LLM Stats Score 44.8 to 38.5. Claude Opus 4.5 and Claude Opus 4.7 cost the same.
Anthropic · Anthropic · Updated for 2026
Which is better?
Claude Opus 4.7 leads the overall LLM Stats Score 44.8 to 38.5, ranking #28 overall.
In the 6 individual benchmarks reported for both models, Claude Opus 4.7 wins 6; this is a narrower head-to-head signal than the composite indexes.
Claude Opus 4.7 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Opus 4.5
- you want predictable pricing at $5.00/M input and $25.00/M output
Choose Claude Opus 4.7
- overall performance matters — it scores 44.8 and ranks #28 on LLM Stats
- your work emphasizes agents — it leads those capability indexes
- you value its reported benchmark strengths — it wins 6 of 6 exact shared results
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Apr 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
11 reported for Claude Opus 4.5 · 17 for Claude Opus 4.7
Claude Opus 4.5 outperforms in 0 benchmarks, while Claude Opus 4.7 is better at 6 benchmarks (GPQA, LiveBench, MCP Atlas, MMMLU, SWE-Bench Verified, Terminal-Bench 2.0).
Claude Opus 4.7 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Opus 4.5 ($5.00/1M tokens) costs the same as Claude Opus 4.7 ($5.00/1M tokens).
For output processing, Claude Opus 4.5 ($25.00/1M tokens) costs the same as Claude Opus 4.7 ($25.00/1M tokens).
In conclusion, Claude Opus 4.5 and Claude Opus 4.7 cost the same.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Opus 4.7 accepts 1,000,000 input tokens compared to Claude Opus 4.5's 200,000 tokens. Claude Opus 4.7 can generate longer responses up to 128,000 tokens, while Claude Opus 4.5 is limited to 64,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Opus 4.5 and Claude Opus 4.7 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 4.5
Claude Opus 4.7
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Opus 4.5 was released on 2025-11-24, while Claude Opus 4.7 was released on 2026-04-16.
Claude Opus 4.7 is 5 months newer than Claude Opus 4.5.
Nov 24, 2025
9 months ago
Apr 16, 2026
4 months ago
4mo newerKnowledge Cutoff
When training data ends
Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while Claude Opus 4.7's cutoff date is not specified.
We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without Claude Opus 4.7's cutoff date.
Mar 2025
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Provider Availability
Claude Opus 4.5 is available from Anthropic. Claude Opus 4.7 is available from Anthropic, Vertex AI.
Claude Opus 4.5
Claude Opus 4.7
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Opus 4.5 and Claude Opus 4.7 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Opus 4.5 vs Claude Opus 4.7.