Migrating from claude-opus-5 to claude-opus-5-5
What changes when you move from claude-opus-5 to claude-opus-5-5: input price −20%, output price −20%.
- From
- claude-opus-5
- Status
- Active
- Shutdown
- not before Jul 24, 2027
- Time left
- —
- Status
- Active
- Shutdown
- not before Sep 22, 2027
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | claude-opus-5 | claude-opus-5-5 | Change |
|---|---|---|---|
| Input | $5.00first seen October 1, 2026 · source | $4.00first seen October 1, 2026 · source | −20% |
| Cached input | $0.50first seen October 1, 2026 · source | $0.20first seen October 1, 2026 · source | −60% |
| Output | $25.00first seen October 1, 2026 · source | $20.00first seen October 1, 2026 · source | −20% |
At 1M input and 250K output tokens a month: $11.25 on claude-opus-5, $9.00 on claude-opus-5-5 (−20%).
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | claude-opus-5 | claude-opus-5-5 | 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-5 | claude-opus-5-5 | Change |
|---|---|---|---|
| Arena TextArena, high effort. Ranges don't overlap. | 1490 ±4 | 1508 ±8 | +18 |
| Arena Text: CodingArena, high effort. | 1533 ±6 | 1545 ±14 | +12 within range |
| Arena WebDevArena, max effort. Ranges don't overlap. | 1690 ±6 | 1811 ±15 | +121 |
| Arena VisionArena, high effort. | 1287 ±7 | 1293 ±13 | +6 within range |
| Arena SearchArena, medium effort (vs high effort). | 1214 ±7 | 1211 ±7 | −3 within range |
| Arena AgentArena, max effort. Ranges don't overlap. | 0.092 ±0.017 | 0.172 ±0.034 | +0.080 |
| FrontierMath Tier 4Epoch AI, max effort. | 73.2% | 95.0% | +21.8 pts |
| FrontierMath Tiers 1-3Epoch AI, max effort. | 85.6% | 91.2% | +5.6 pts |
| GPQA DiamondEpoch AI, max effort. | 93.9% | 90.6% | −3.3 pts |
| OTIS Mock AIME 2024-2025Epoch AI, max effort. | 98.9% | 100.0% | +1.1 pts |
| SimpleQA VerifiedEpoch AI, max effort. | 59.9% | 72.2% | +12.3 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-5: in place when tracking began (October 6, 2026) · source · claude-opus-5-5: in place when tracking began (October 6, 2026) · source
- Batch API: supported on both.claude-opus-5: in place when tracking began (October 6, 2026) · source · claude-opus-5-5: in place when tracking began (October 6, 2026) · source
- Image input: supported on both.claude-opus-5: in place when tracking began (October 6, 2026) · source · claude-opus-5-5: in place when tracking began (October 6, 2026) · source
- Reasoning / thinking: supported (thinking: adaptive; default effort: high) on claude-opus-5, supported (thinking: adaptive, always on; default effort: medium) on claude-opus-5-5.claude-opus-5: in place when tracking began (October 6, 2026) · source · claude-opus-5-5: in place when tracking began (October 6, 2026) · source
Not published for claude-opus-5: Structured outputs, Function calling, PDF input, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs.
Not published for claude-opus-5-5: 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-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 |
| claude-opus-5-5 | Amazon Bedrock | anthropic.claude-opus-5-5 | not before Sep 22, 2027Active |
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-5toclaude-opus-5-5.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: claude-opus-5, claude-opus-5-5.