Claude Opus 4.8
01
Snapshot
Overall
81
rank #5 of 22
Coding
87
rank #4 of 22
Multimodal
89
rank #6 of 22
Input / Output
$5 / $25
USD per 1M tokens
Context
1M
usable recall 96
Speed
~40 tok/s
TTFT 1.0s
Aggregated from public sources and independently weighted; methodology on the Terms page. Scores within 3 points are treated as statistically tied.
02
Specs & pricing
Every tracked field. List API prices in USD per 1M tokens; verify current vendor pricing before purchase.
| Vendor | Anthropic (US) |
| Released / current | 2026.05 |
| Licensing | Closed / managed API |
| Context window | 1M |
| Max output | 128K |
| Effective-context score | 96 |
| Input / output price | $5 / $25 per 1M tokens |
| Cache discount | Prompt cache 90% off |
| Free tier | No free tier |
| Speed / TTFT | ~40 tok/s / 1.0s |
| Function calling | 88 |
| Refusal rate | ~9% |
| English / Chinese | 94 / 78 |
| Modalities | text, image |
| Fine-tuning | No |
| Private deployment | No |
| SOC2 / no-train | yes / yes |
03
Strengths & watch-outs
Strengths
- Previous flagship still capable
- Well-proven stability
Watch-outs
- Superseded by Opus 5
- Same price — prefer the newer model
04
Where it ranks among 22 models
Overall 81/100 (#5), coding 87 (#4), multimodal 89 (#6). See the full boards and side-by-side compare on the leaderboard.
05
Pricing in practice
Illustrative monthly bill for 100M input + 30M output tokens: $1,250 at list; about $845 with 90% of inputs cache-hit. Your mix and cache-hit ratio change this.
Illustrative model using public list rates before any enterprise agreement; cache discount: Prompt cache 90% off.
06
Frequently asked questions
How much does Claude Opus 4.8 cost?
List API pricing is $5 input and $25 output per 1M tokens. Prompt cache 90% off. No free tier
What is Claude Opus 4.8's context window, and is it usable end to end?
It advertises a 1M window with 128K max output; its effective-context score is 96/100, which is the better predictor of whether long-document details are actually retained.
Is Claude Opus 4.8 good for coding?
Its coding aggregate is 87/100, rank #4 of 22. That puts it in the top tier for agentic, multi-file engineering.
Can I self-host Claude Opus 4.8?
No. It is a closed managed API; there is no weights download.
How strong is it in Chinese and on multimodal inputs?
Chinese score is 78 versus English 94; multimodal aggregate is 89/100 (rank #6), accepting text, image.