Migrating from claude-opus-4-5-20251101 to claude-opus-4-6
What changes when you move from claude-opus-4-5-20251101 to claude-opus-4-6: input price 0%, output price 0%, context window 200,000 → 1,000,000 tokens.
- Status
- Active
- Shutdown
- not before Nov 24, 2026
- Time left
- —
- Status
- Active
- Shutdown
- not before Feb 5, 2027
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | claude-opus-4-5-20251101 | claude-opus-4-6 | 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-4-5-20251101, $11.25 on claude-opus-4-6 (0%).
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | claude-opus-4-5-20251101 | claude-opus-4-6 | Change |
|---|---|---|---|
| Context window | 200,000 tokensin place when tracking began (October 6, 2026) · source | 1,000,000 tokensin place when tracking began (October 6, 2026) · source | +400% |
| Max output tokens | 64,000 tokensin place when tracking began (October 6, 2026) · source | 128,000 tokensin place when tracking began (October 6, 2026) · source | +100% |
Benchmarks
Same benchmark and source on both sides; settings named where they differ| Benchmark | claude-opus-4-5-20251101 | claude-opus-4-6 | Change |
|---|---|---|---|
Arena TextArena, high effort (vs high effort 32k). Ranges don't overlap.Other settings
| 1474 ±4 | 1503 ±3 | +29 |
Arena Text: CodingArena, high effort (vs high effort 32k). Ranges don't overlap.Other settings
| 1531 ±7 | 1548 ±5 | +17 |
Arena WebDevArena, high effort (vs high effort 32k). Ranges don't overlap.Other settings
| 1493 ±8 | 1546 ±5 | +53 |
| Arena SearchArena. Ranges don't overlap. | 1187 ±6 | 1222 ±5 | +35 |
Arena DocumentArena, high effort (vs no setting). Ranges don't overlap.Other settings
| 1465 ±10 | 1495 ±7 | +30 |
| FrontierMath Tier 4Epoch AI, max effort (vs 32k). | 4.9% | 26.8% | +21.9 pts |
| FrontierMath Tiers 1-3Epoch AI, max effort (vs 32k). | 34.4% | 66.0% | +31.6 pts |
GPQA DiamondEpoch AI, 32k.Other settings
| 86.0% | 90.5% | +4.5 pts |
OTIS Mock AIME 2024-2025Epoch AI, 64k (vs 32k).Other settings
| 86.1% | 94.4% | +8.3 pts |
| SimpleQA VerifiedEpoch AI, max effort (vs 32k). | 45.7% | 47.0% | +1.3 pts |
| SWE-bench VerifiedEpoch AI. | 76.7% | 78.7% | +2.0 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-4-5-20251101: in place when tracking began (October 6, 2026) · source · claude-opus-4-6: in place when tracking began (October 6, 2026) · source
- Batch API: supported on both.claude-opus-4-5-20251101: in place when tracking began (October 6, 2026) · source · claude-opus-4-6: in place when tracking began (October 6, 2026) · source
- Image input: supported on both.claude-opus-4-5-20251101: in place when tracking began (October 6, 2026) · source · claude-opus-4-6: in place when tracking began (October 6, 2026) · source
- Reasoning / thinking: supported (thinking: extended; default effort: high) on claude-opus-4-5-20251101, supported (thinking: adaptive, extended deprecated; default effort: high) on claude-opus-4-6.claude-opus-4-5-20251101: in place when tracking began (October 6, 2026) · source · claude-opus-4-6: in place when tracking began (October 6, 2026) · source
Not published for claude-opus-4-5-20251101: Structured outputs, Function calling, PDF input, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs.
Not published for claude-opus-4-6: Structured outputs, Function calling, PDF input, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs.
Aliases
All aliasesAliases pointing at claude-opus-4-5-20251101: claude-opus-4-5 (in place when tracking began (October 6, 2026) · source)
No aliases point at claude-opus-4-6.
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| claude-opus-4-5-20251101 | Amazon Bedrock | anthropic.claude-opus-4-5-20251101-v1:0 | not before Nov 24, 2026Active | |
| claude-opus-4-5-20251101 | Microsoft Foundryversion 1 | claude-opus-4-5 | Nov 24, 2026Active | 40 days |
| claude-opus-4-6 | Amazon Bedrock | anthropic.claude-opus-4-6-v1 | not before Feb 5, 2027Active | |
| claude-opus-4-6 | Microsoft Foundryversion 1 | claude-opus-4-6 | Feb 2, 2027Active | 110 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-4-5-20251101toclaude-opus-4-6.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: claude-opus-4-5-20251101, claude-opus-4-6.