Claude Opus 5 Pricing
FlagshipAnthropic · 1M tokens context
Claude Opus 5 from Anthropic costs $5.00 per 1 million input tokens and $25.00 per 1 million output tokens as of September 2026 (live OpenRouter data). The model supports a 1,000,000-token context window (approximately 750,000 words) with a 128K-token maximum output. A typical 1,000-token request costs $0.0050 in input charges; a 10,000-token request costs $0.0500.
| Input price | $5.00 / 1M tokens |
|---|---|
| Output price | $25.00 / 1M tokens |
| Output / input ratio | 5.0× |
| Context window | 1,000,000 tokens (~750,000 words) |
| Maximum output | 128,000 tokens |
| Cost per 1K tokens (input) | $0.0050 |
| Tier | Flagship |
| Last verified |
Claude Opus 5 is Anthropic's flagship model, released July 24, 2026. It reaches close to Claude Fable 5's frontier intelligence at half the price, and holds the same $5/$25 per-million pricing as Opus 4.8 while more than doubling its agentic coding score. It tops Frontier-Bench v0.1 (43.3%), ARC-AGI-3 (30.2%, roughly 4x the next best model), and Artificial Analysis' GDPval-AA v2 knowledge-work leaderboard (1,861 Elo). It is also Anthropic's most aligned Opus model to date.
Input Price
$5.00
per 1 million tokens
Output Price
$25.00
per 1 million tokens
Context Window
1M tokens
max 128K output
Cost Examples
| Request Type | Tokens | Input Cost | Output Cost |
|---|---|---|---|
| 1,000 word article | 1,333 | $0.00666 | $0.01 |
| 10-page document (2,500 words) | 3,333 | $0.0167 | $0.025 |
| 1,000 lines of code | 5,000 | $0.025 | $0.0375 |
| 100K token document | 100,000 | $0.50 | $0.75 |
Output cost estimated at 30% of input token count. Use the calculator for exact figures.
Strengths
- ✓Near-Fable-5 frontier quality at half the price ($5/$25 vs $10/$50)
- ✓State of the art on agentic coding, computer use, and knowledge work
- ✓ARC-AGI-3 leader at 30.2% — about 4x GPT-5.6 Sol
- ✓Effort settings trade intelligence against token spend
- ✓1M-token context window; most aligned Opus model yet
Limitations
- –Trails Fable 5 and Mythos 5 slightly on SWE-bench Pro (79.2% vs 80.0% / 80.3%)
- –Behind Mythos 5 on cybersecurity exploitation and biology research
- –Fast mode costs 2x base pricing ($10/$25 tier)
- –Output tokens cost 5x input — output-heavy workloads dominate the bill
Best Use Cases
Calculate Claude Opus 5 Costs
Use the TokenRate calculator to convert any budget, token count, or text into exact Claude Opus 5 costs — and compare across all models.
Open Calculator →Claude Opus 5 — FAQ
Related Models
Related Guides