Migrating from claude-opus-4-8 to claude-opus-5
What changes when you move from claude-opus-4-8 to claude-opus-5: input price 0%, output price 0%.
- From
- claude-opus-4-8
- Status
- Active
- Shutdown
- not before May 28, 2027
- Time left
- —
- Status
- Active
- Shutdown
- not before Jul 24, 2027
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | claude-opus-4-8 | claude-opus-5 | Change |
|---|---|---|---|
| Input | $5.00first seen October 1, 2026 · source | $5.00first seen October 1, 2026 · source | 0% |
| Cached input | $0.50first seen October 1, 2026 · source | $0.50first seen October 1, 2026 · source | 0% |
| Output | $25.00first seen October 1, 2026 · source | $25.00first seen October 1, 2026 · source | 0% |
At 1M input and 250K output tokens a month: $11.25 on claude-opus-4-8, $11.25 on claude-opus-5 (0%).
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | claude-opus-4-8 | claude-opus-5 | Change |
|---|---|---|---|
| Context window | 1,000,000 tokensin place when tracking began (October 6, 2026) · source | 1,000,000 tokensin place when tracking began (October 6, 2026) · source | 0% |
| Max output tokens | 128,000 tokensin place when tracking began (October 6, 2026) · source | 128,000 tokensin place when tracking began (October 6, 2026) · source | 0% |
Benchmarks
Same benchmark and source on both sides; settings named where they differ| Benchmark | claude-opus-4-8 | claude-opus-5 | Change |
|---|---|---|---|
Arena TextArena, high effort.Other settings
| 1482 ±4 | 1490 ±4 | +8 within range |
Arena Text: CodingArena, high effort.Other settings
| 1533 ±6 | 1533 ±6 | 0 within range |
Arena WebDevArena, max effort (vs high effort). Ranges don't overlap.Other settings
| 1556 ±6 | 1690 ±6 | +134 |
| Arena VisionArena, high effort. | 1286 ±6 | 1287 ±7 | +1 within range |
| Arena SearchArena, high effort (vs no setting). Ranges don't overlap. | 1195 ±6 | 1214 ±7 | +19 |
| Arena DocumentArena, high effort. | 1486 ±7 | 1490 ±7 | +4 within range |
| Arena AgentArena, max effort (vs high effort). | 0.071 ±0.015 | 0.092 ±0.017 | +0.021 within range |
| FrontierMath Tier 4Epoch AI, max effort. | 56.1% | 73.2% | +17.1 pts |
| FrontierMath Tiers 1-3Epoch AI, max effort. | 80.0% | 85.6% | +5.6 pts |
GPQA DiamondEpoch AI, max effort.Other settings
| 91.0% | 93.9% | +2.9 pts |
OTIS Mock AIME 2024-2025Epoch AI, max effort.Other settings
| 98.3% | 98.9% | +0.6 pts |
| SimpleQA VerifiedEpoch AI, max effort. | 53.0% | 59.9% | +6.9 pts |
A score from one source is never compared with another source's, and company-reported scores are compared only within the same company; settings named where they differ. Data: Arena (arena.ai), CC BY 4.0; Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.
Features and parameters
Compare modelsSame on both
- Prompt caching: supported on both.claude-opus-4-8: in place when tracking began (October 6, 2026) · source · claude-opus-5: in place when tracking began (October 6, 2026) · source
- Batch API: supported on both.claude-opus-4-8: in place when tracking began (October 6, 2026) · source · claude-opus-5: in place when tracking began (October 6, 2026) · source
- Image input: supported on both.claude-opus-4-8: in place when tracking began (October 6, 2026) · source · claude-opus-5: in place when tracking began (October 6, 2026) · source
- Reasoning / thinking: supported (thinking: adaptive; default effort: high) on both.claude-opus-4-8: in place when tracking began (October 6, 2026) · source · claude-opus-5: in place when tracking began (October 6, 2026) · source
Not published for claude-opus-4-8: Structured outputs, Function calling, PDF input, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs.
Not published for claude-opus-5: Structured outputs, Function calling, PDF input, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs.
Aliases
All aliasesNo aliases point at either model.
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| claude-opus-4-8 | Amazon Bedrock | anthropic.claude-opus-4-8 | not before May 28, 2027Active | |
| claude-opus-4-8 | Microsoft Foundryversion 1 | claude-opus-4-8 | Sep 1, 2027Active | 321 days |
| claude-opus-4-8 | Microsoft Foundryversion 2 | claude-opus-4-8 | Sep 1, 2027Active | 321 days |
| claude-opus-5 | Amazon Bedrock | anthropic.claude-opus-5 | not before Jul 24, 2027Active | |
| claude-opus-5 | Microsoft Foundryversion 1 | claude-opus-5 | Jul 8, 2027Active | 266 days |
| claude-opus-5 | Microsoft Foundryversion 2 | claude-opus-5 | Jul 8, 2027Active | 266 days |
Read daily from each platform's own pages. The status above uses each company's own date. Time left counts to 00:00 UTC on the shutdown date, which is the evening before in ET.
Checklist
- Change the model string from
claude-opus-4-8toclaude-opus-5.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: claude-opus-4-8, claude-opus-5.