Claude Opus 4.8 API Pricing
Anthropic · released 2026-05-28
Also searched as: Opus 4.8 pricing
Claude Opus 4.8 price
0.500¢ / 1K
2.50¢ / 1K
1.00¢ / 1K
Official list price from Anthropic, as recorded by models.dev
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | $0.0100 |
| RAG query | 4,000 in / 500 out | $0.0325 |
| Long document summary | 50,000 in / 1,000 out | $0.2750 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.2000 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $300.00 |
Cost = (input tokens ÷ 1,000,000 × $5.00) + (output tokens ÷ 1,000,000 × $25.00).
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 159.9 | epoch | 2026-05-28 |
| Epoch Mock AIME accuracy | 98.3% | epoch | 2026-05-28 |
| Epoch FrontierMath (T1–3) accuracy | 80.0% | epoch | 2026-05-28 |
| Arena text rating | 1474 | arena | 2026-10-28 |
| Arena coding rating (human preference votes, not task accuracy) | 1529 | arena | 2026-10-28 |
| Arena math rating | 1477 | arena | 2026-10-28 |
| Arena WebDev rating | 1536 | arena | 2026-10-28 |
LiveBench
Shown on this model page only — LiveBench data never appears in any leaderboard, comparison table or structured data on this site.
| LiveBench metric | Value | As of |
|---|---|---|
| LiveBench Global Average | 76.2 | 2026-06-25 |
| LiveBench Reasoning | 89.2 | 2026-06-25 |
| LiveBench Coding | 81.8 | 2026-06-25 |
| LiveBench Agentic Coding | 50.5 | 2026-06-25 |
| LiveBench Mathematics | 94.3 | 2026-06-25 |
| LiveBench Data Analysis | 66.0 | 2026-06-25 |
| LiveBench Language | 79.7 | 2026-06-25 |
| LiveBench Instruction Following | 72.0 | 2026-06-25 |
LiveBench leaderboard (livebench.ai, github.com/LiveBench/new-livebench), CC BY-SA 4.0 — livebench.ai · github.com/LiveBench/new-livebench · CC BY-SA 4.0
Similar ECI, lower price
| Model | ECI | Blended $/1M |
|---|---|---|
| Claude Haiku 5.5 | 160.2 | $0.20 |
| GPT-6 Luna | 156.7 | $0.20 |
| DeepSeek V4.1 Flash 1017 | 159.3 | $0.2625 |
| GPT-5.6 Luna | 156.8 | $0.45 |
| DeepSeek V4 Pro 0813 | 155.9 | $0.99 |
More from Anthropic
| Model | Released | Blended $/1M |
|---|---|---|
| Claude Haiku 5.5 | 2026-10-07 | $0.20 |
| Claude Sonnet 5.5 | 2026-09-28 | $4.00 |
| Claude Opus 5.5 | 2026-09-22 | $8.00 |
| Claude Mythos 5.1 | 2026-09-01 | $20.00 |
| Claude Fable 5.1 | 2026-09-01 | $20.00 |
| Claude Opus 5 | 2026-07-24 | $10.00 |
| Claude Sonnet 5 | 2026-06-30 | $4.00 |
| Claude Mythos 5 | 2026-06-09 | $20.00 |
Count tokens & estimate cost for Claude Opus 4.8 See Claude Opus 4.8 on the leaderboard
Prices: Anthropic's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.
Compare Claude Opus 4.8 with …
FAQ
Who develops Claude Opus 4.8?
Claude Opus 4.8 is developed by Anthropic, released 2026-05-28.
How much does Claude Opus 4.8 cost per million tokens?
Claude Opus 4.8 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens ($10.00 blended), per Anthropic's official list price as recorded by models.dev.
What is the Claude Opus 4.8 API price?
The Claude Opus 4.8 API price is $5.00 per 1M input tokens and $25.00 per 1M output tokens ($10.00 per 1M blended).
How much does Claude Opus 4.8 cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about $0.0100 on Claude Opus 4.8, at $5.00/1M input and $25.00/1M output.
Is Claude Opus 4.8 free?
Claude Opus 4.8's official API list price is $5.00 per 1M input tokens and $25.00 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Anthropic's site for those.
How does Claude Opus 4.8 rank on benchmarks?
Claude Opus 4.8 scores 159.9 on the Epoch Capabilities Index (ECI), ranking #18 of 107 models we track with a published ECI score.
Is there a cheaper model with a similar ECI to Claude Opus 4.8?
Yes — Claude Haiku 5.5 scores a similar ECI (160.2) at $0.20/1M blended, versus $10.00/1M for Claude Opus 4.8.
Where does this data come from?
Pricing for Claude Opus 4.8 comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses); LiveBench scores (below) are CC BY-SA 4.0 — see /data-sources/. Last synced 2026-11-06.