openai
Claude Opus 5 vs GPT-5.5
80.2 overall · $11.25 / 1M
// anthropic
Claude Opus 5
anthropic/claude-opus-5
reasoningtool callingimage inputfile inputprompt caching
Claude Opus 5 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens with a 1M-token context window.
A reasoning, tool-calling model from anthropic, released Jul 24, 2026. On LiveBench it scores 80.1 overall — #9 of 55 benchmarked models — and ranks highest in agentic coding (#4).
- Input / 1M
- $5.00
- Output / 1M
- $25.00
- Context
- 1M
- LiveBench overall
- 80.1 · #9
Specs and pricing
| Input price USD per 1M prompt tokens | $5.00 |
|---|---|
| Output price USD per 1M completion tokens, reasoning included | $25.00 |
| Blended price 3:1 input:output — #19 most expensive of 343 listed models | $10.00 |
| Cached input read Blank means not priced separately — not free | $0.500 |
| Cache write | $6.25 |
| Context window | 1,000,000 tokens |
| Max output | 128,000 tokens |
| Input modalities | text, image, file |
| Tool calling | Yes |
| Extended reasoning | Yes |
| Knowledge cutoff | — |
| Listed | Jul 24, 2026 |
Also listed as anthropic/claude-opus-5:batch ($5.00 blended)— the same model at a different price or rate limit.
Benchmarks by category
LiveBench scores out of 100, with Claude Opus 5's rank among the 55 benchmarked models listed here. Run: claude-opus-5-max-effort.
Language#4 of 55
88.7
$0.0543 measured per point
What Claude Opus 5 costs to run
Monthly list cost across five workload shapes, using the published cached-input rate where there is one. A floor, not a quote — batch discounts and cache writes aren't included.
| Workload | Per month |
|---|---|
| Support chatbot 1.2K in / 400 out × 200K requests | $2,876/mo |
| RAG assistant 8K in / 600 out × 100K requests | $3,700/mo |
| Coding agent 40K in / 4K out × 20K requests | $3,480/mo |
| Document extraction 20K in / 1.5K out × 50K requests | $6,650/mo |
| Bulk classification 500 in / 20 out × 5M requests | $12,750/mo |
Compare Claude Opus 5 with
The benchmarked models closest to it on overall score.
openai
Claude Opus 5 vs GPT-6 Sol
79.2 overall · $4.00 / 1M
moonshotai
Claude Opus 5 vs Kimi K3
79.2 overall · $6.00 / 1M
openai
Claude Opus 5 vs GPT-5.6 Sol
81.1 overall · $4.00 / 1M
deepseek
Claude Opus 5 vs DeepSeek V4.1 Flash
81.1 overall · $0.200 / 1M
Claude Opus 5 vs Gemini 3.7 Flash
78.8 overall · $1.50 / 1M
Claude Opus 5 FAQ
How much does Claude Opus 5 cost?
Claude Opus 5 lists at $5.00 per 1M input tokens and $25.00 per 1M output tokens, with cached input reads at $0.500 per 1M. A RAG assistant handling 100K requests a month (8K tokens in, 600 out) comes to about $3,700 at list price.
What is the context window of Claude Opus 5?
Claude Opus 5 accepts up to 1,000,000 tokens of context and can return up to 128,000 output tokens per response.
Does Claude Opus 5 support tool calling?
Yes — Claude Opus 5 supports tool (function) calling and exposes extended reasoning. It accepts text, image, file input.
How does Claude Opus 5 score on benchmarks?
On LiveBench release 2026-06-25 (run: claude-opus-5-max-effort), Claude Opus 5 scores 80.1 overall, ranking #9 of 55 benchmarked models.
What is the API model ID for Claude Opus 5?
On OpenRouter the model ID is "anthropic/claude-opus-5". It was listed on Jul 24, 2026.
More from anthropic
How these numbers are produced
- Price and specs — provider list data from OpenRouter, refreshed every 15 minutes. “Blended” is a 3:1 input:output mix.
- Scores and ranks — LiveBench release 2026-06-25. Ranks count only models that have a published run; a blank means “not evaluated”, never “bad”.
- Cost per point — the measured dollars LiveBench spent on the run, divided by the score it earned.
Published benchmarks rank models on someone else's tasks. Before committing, see LLM & agent evaluation for building an eval on your own.