ModelsAnthropic
Claude Opus 4.5
Context
tokens
Released
on OpenRouter
Token share
OpenRouter · May 28, 2026
Price per million tokens
Input $/MTok
OpenRouter · Jul 8, 2026
Output $/MTok
OpenRouter · Jul 8, 2026
Cache read $/MTok
OpenRouter
Cache write $/MTok
OpenRouter
| Source | Tracked slug | In $/MTok | Out $/MTok | Cache read | Cache write | Context | Effective | Last Δ (in) |
|---|---|---|---|---|---|---|---|---|
| OpenRouter | anthropic/claude-opus-4.5 | $5.00 | $25.00 | $0.5 | $6.25 | 200K | Jul 8, 2026 | — |
| models.dev | nano-gpt/claude-opus-4-5-20251101:thinking | $5.00 | $25.01 | — | — | 200K | Jul 8, 2026 | 0% |
| llm-prices.com | claude-opus-4-5 | $5.00 | $25.00 | — | — | — | Jul 8, 2026 | — |
latest tracked price per source · Δ = most recent input-price move within that source
3 sources tracking
Input $/MTok
Output $/MTok
per-source step lines · $/MTok
history since Jan 1, 2023
Context & availability
| Provider | Anthropic |
|---|---|
| Context window | 200K tokens |
| Listed on OpenRouter | Nov 24, 2025 |
| Tracked price sources | llm-prices.com · OpenRouter · models.dev |
| OpenRouter slugs | anthropic/claude-opus-4.5 · anthropic/claude-4.5-opus-20251124 |
source: OpenRouter model catalog + tracked price feeds
id: claude-opus-4-5
Share of OpenRouter tokens
source: OpenRouter model rankings · share of tracked coding-token volume
0.3% on May 28, 2026
Benchmark results
| Benchmark | Configuration | Score | Date | Source |
|---|---|---|---|---|
| swe-bench-test | sonar foundation agent claude opus 4 5 | 52.6% | Dec 19, 2025 | swebench-experiments |
| SWE-bench Verified | livesweagent claude opus 4 5 | 79.2% | Dec 15, 2025 | swebench-experiments |
| SWE-bench Verified | sonar foundation agent claude opus 4 5 | 79.2% | Dec 5, 2025 | swebench-experiments |
| SWE-bench Verified | openhands claude opus 4 5 | 77.6% | Nov 27, 2025 | swebench-experiments |
scores as published by each benchmark; configurations differ — compare within a row's benchmark only
latest result Dec 19, 2025
Similar models
| # | Model | Tokens/day | 7d Δ | Head-to-head |
|---|---|---|---|---|
| 1 | Hy3Tencent | 857.5B | — | vs Claude Opus 4.5 |
| 2 | DeepSeek V4 FlashDeepSeek | 806.2B | 6.6% | vs Claude Opus 4.5 |
| 3 | MiniMax M3MiniMax | 665.9B | 9.8% | vs Claude Opus 4.5 |
| 5 | DeepSeek V4 ProDeepSeek | 530.6B | 50.5% | vs Claude Opus 4.5 |
ranked by OpenRouter usage-rank proximity
snapshot Jul 7, 2026
Claude Opus 4.5 FAQ
- How much does Claude Opus 4.5 cost per token?
- Claude Opus 4.5 is priced at $5.00 per million input tokens and $25.00 per million output tokens, per OpenRouter as of Jul 8, 2026.
- What is Claude Opus 4.5's context window?
- Claude Opus 4.5 supports a context window of up to 200K tokens, per Anthropic.
- How good is Claude Opus 4.5 at coding?
- Claude Opus 4.5 scores 52.6% on swe-bench-test (Dec 19, 2025). Its full benchmark table is above.
- What are the alternatives to Claude Opus 4.5?
- By OpenRouter usage, comparable models include Hy3, DeepSeek V4 Flash, and MiniMax M3. Side-by-side comparisons are linked in the alternatives table.
Track Claude Opus 4.5
Email me when Claude Opus 4.5's price moves or it gets deprecated.