Migrating from claude-haiku-4-5-20251001 to claude-haiku-5-5
What changes when you move from claude-haiku-4-5-20251001 to claude-haiku-5-5: input price −90%, output price −90%, context window 200,000 → 1,000,000 tokens.
- Status
- Active
- Shutdown
- not before Oct 15, 2026
- Time left
- —
- Status
- Active
- Shutdown
- not before Oct 7, 2027
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | claude-haiku-4-5-20251001 | claude-haiku-5-5 | Change |
|---|---|---|---|
| Input | $1.00first seen October 1, 2026 · source | $0.10first seen October 8, 2026 · source | −90% |
| Cached input | $0.10first seen October 1, 2026 · source | $0.01first seen October 8, 2026 · source | −90% |
| Output | $5.00first seen October 1, 2026 · source | $0.50first seen October 8, 2026 · source | −90% |
At 1M input and 250K output tokens a month: $2.25 on claude-haiku-4-5-20251001, $0.225 on claude-haiku-5-5 (−90%).
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | claude-haiku-4-5-20251001 | claude-haiku-5-5 | Change |
|---|---|---|---|
| Context window | 200,000 tokensin place when tracking began (October 6, 2026) · source | 1,000,000 tokensfirst seen October 7, 2026 · source | +400% |
| Max output tokens | 64,000 tokensin place when tracking began (October 6, 2026) · source | 128,000 tokensfirst seen October 7, 2026 · source | +100% |
Benchmarks
Same benchmark and source on both sides; settings named where they differ| Benchmark | claude-haiku-4-5-20251001 | claude-haiku-5-5 | Change |
|---|---|---|---|
| Arena WebDevArena, high effort (vs no setting). Ranges don't overlap. | 1330 ±5 | 1585 ±12 | +255 |
| GPQA DiamondEpoch AI, max effort (vs 32k). | 71.2% | 89.6% | +18.4 pts |
OTIS Mock AIME 2024-2025Epoch AI, xhigh effort (vs 32k).Other settings
| 66.7% | 98.9% | +32.2 pts |
| SimpleQA VerifiedEpoch AI, max effort (vs no setting). | 13.2% | 23.8% | +10.6 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-haiku-4-5-20251001: in place when tracking began (October 6, 2026) · source · claude-haiku-5-5: first seen October 8, 2026 · source
- Batch API: supported on both.claude-haiku-4-5-20251001: in place when tracking began (October 6, 2026) · source · claude-haiku-5-5: first seen October 8, 2026 · source
- Image input: supported on both.claude-haiku-4-5-20251001: in place when tracking began (October 6, 2026) · source · claude-haiku-5-5: first seen October 8, 2026 · source
- Reasoning / thinking: supported (thinking: extended; effort: not supported) on claude-haiku-4-5-20251001, supported (thinking: adaptive; default effort: medium) on claude-haiku-5-5.claude-haiku-4-5-20251001: in place when tracking began (October 6, 2026) · source · claude-haiku-5-5: first seen October 8, 2026 · source
Not published for claude-haiku-4-5-20251001: Structured outputs, Function calling, PDF input, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs.
Not published for claude-haiku-5-5: Structured outputs, Function calling, PDF input, Fine-tuning, Built-in web search, logprobs.
Aliases
All aliasesAliases pointing at claude-haiku-4-5-20251001: claude-haiku-4-5 (in place when tracking began (October 6, 2026) · source)
No aliases point at claude-haiku-5-5.
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| claude-haiku-4-5-20251001 | Amazon Bedrock | anthropic.claude-haiku-4-5 | not before Oct 16, 2026Active | |
| claude-haiku-4-5-20251001 | Microsoft Foundryversion 1 | claude-haiku-4-5 | Nov 15, 2026Active | 31 days |
| claude-haiku-4-5-20251001 | Microsoft Foundryversion 2 | claude-haiku-4-5 | Nov 15, 2026Active | 31 days |
| claude-haiku-5-5 | Amazon Bedrock | anthropic.claude-haiku-5-5 | not before Oct 7, 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-haiku-4-5-20251001toclaude-haiku-5-5.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: claude-haiku-4-5-20251001, claude-haiku-5-5.