Anthropic · Anthropic
Claude Opus 4.8 vs Claude Opus 5
Compare Claude Opus 4.8 (Anthropic) and Claude Opus 5 (Anthropic) on benchmarks, capabilities, and pricing.
At a glance
| Claude Opus 4.8 | Claude Opus 5 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Context | 1M tokens | 1M tokens |
| Modality | Multimodal | Multimodal |
| Pricing | Max | Max |
| Speed | Medium | Medium |
| Reasoning | Expert | Expert |
Benchmarks
Claude Opus 4.8
- AA Intelligence Index
- Output speed
- API input cost
- API output cost
- Context window
- 1MCatalog · As of Aug 11, 2026Stale · 37d old
Benchmark variant: Claude Opus 4.8 (Adaptive Reasoning, Max Effort)
AA data retrieved Sep 17, 2026 · Artificial Analysis
Claude Opus 5
- AA Intelligence Index
- Output speed
- 57.55tokens/sConfiguration: Prompt length: 1,000 · Parallel queries: 1Artificial Analysis · Date unknownAge unknown
- API input cost
- API output cost
- Context window
- 1MCatalog · As of Aug 11, 2026Stale · 37d old
Benchmark variant: Claude Opus 5 (Adaptive Reasoning, Max Effort)
AA data retrieved Sep 17, 2026 · Artificial Analysis
Try both on yno.ai
Switch between Claude Opus 4.8 and Claude Opus 5 per task with one account.
Frequently asked
- Which is faster, Claude Opus 4.8 or Claude Opus 5?
- Claude Opus 4.8 is rated medium and Claude Opus 5 is rated medium. yno.ai surfaces output-speed scores from Artificial Analysis on each model's detail page so you can compare exact tokens-per-second figures for your workload.
- Which is cheaper, Claude Opus 4.8 or Claude Opus 5?
- Claude Opus 4.8 is on the max tier in yno.ai; Claude Opus 5 is on the max tier. See the pricing page for the latest per-tier limits.
- Which is better for Long-running agents?
- Both models support Long-running agents. Claude Opus 4.8 brings 1M context / 128K output; Claude Opus 5 brings 1M context / 128K output. Run a side-by-side eval on your prompts in yno.ai to see which fits your workload.
- Can I use both Claude Opus 4.8 and Claude Opus 5 in yno.ai?
- Yes. Both are available on yno.ai under your single account; you can route different stages of an agent to different models or A/B test them on the same prompt without per-provider boilerplate.