Updated 2 h ago · first seen 11 Sept 2026
company_01M293SNX22C24ZSAB9Y9XFKG6
- Country
- US
- T2 · 2 h ago
- Founded
- 2021
- T2 · 2 h ago
- HQ
- San Francisco, California
- T2 · 2 h ago
- Kind
- company
- T2 · 2 h ago
Specification
- Country
- US
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 2 h agomedium
- Domains
- anthropic.com, claude.com, docs.claude.com, claude.ai
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 2 h agomedium
- Founded
- 2021
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 2 h agomedium
- GitHub org
- anthropics
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 2 h agomedium
- Headquarters
- San Francisco, California
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 2 h agomedium
- Hugging Face org
- Anthropic
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 2 h agomedium
- Kind
- company
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 2 h agomedium
- Website
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 2 h agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
8
Source tiers
T28
Freshest observation
2 h ago
Conflicts
None
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
| Model | Params | Context | Openness | Released | Status | Quality |
|---|---|---|---|---|---|---|
| Claude Fable 5.1 | — | 1M | proprietary | 1 Sept 2026 | active | 80 |
| Claude Opus 5 | — | 1M | proprietary | 24 Jul 2026 | active | 80 |
| Claude Sonnet 5 | — | 1M | proprietary | 30 Jun 2026 | active | 80 |
| Claude Fable 5 | — | 1M | proprietary | 9 Jun 2026 | active | 67 |
| Claude Opus 4.8 | — | 1M | proprietary | 27 May 2026 | active | 67 |
| Claude Opus 4.7 | — | 1M | proprietary | 16 Apr 2026 | active | 67 |
| Claude Sonnet 4.6 | — | 1M | proprietary | 17 Feb 2026 | active | 67 |
| Claude Opus 4.6 | — | 1M | proprietary | 4 Feb 2026 | active | 67 |
| Claude Opus 4.5 | — | 200K | proprietary | 24 Nov 2025 | active | 67 |
| Claude Haiku 4.5 | — | 200K | proprietary | 15 Oct 2025 | active | 80 |
| Claude Sonnet 4.5 | — | 1M | proprietary | 29 Sept 2025 | active | 67 |
| Claude Opus 4.1 | — | 200K | proprietary | 5 Aug 2025 | retired | 67 |
| Claude Sonnet 4 | — | 1M | proprietary | 22 May 2025 | retired | 67 |
| Claude Opus 4 | — | 200K | proprietary | 22 May 2025 | retired | 67 |
| Claude 3 Haiku | — | 200K | — | 13 Mar 2024 | retired | 64 |
| Claude Haiku 3.5 | — | — | proprietary | — | retired | 67 |
| Claude 3.7 Sonnet | — | — | — | — | retired | 64 |
| Claude Mythos 5.1 | — | — | proprietary | — | limited-availability | 67 |
| Claude Mythos 5 | — | — | proprietary | — | limited-availability | 67 |
- Operates
- Anthropic API
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history
Countrycountry1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| US | → current | current | AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2 | medium | curated |
Domainsdomains1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| anthropic.com, claude.com, docs.claude.com, claude.ai | → current | current | AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2 | medium | curated |
Foundedfounded1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 2021 | → current | current | AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2 | medium | curated |
GitHub orggithub_org1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| anthropics | → current | current | AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2 | medium | curated |
Headquartersheadquarters1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| San Francisco, California | → current | current | AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2 | medium | curated |
Hugging Face orghf_org1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Anthropic | → current | current | AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2 | medium | curated |
Kindorg_kind1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| company | → current | current | AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2 | medium | curated |
Websitewebsite1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://www.anthropic.com | → current | current | AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2 | medium | curated |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
Anthropic API lists Claude 3 Haiku at $0.25 in / $1.25 out per 1M tokens
openrouterAnthropic API lists Claude Sonnet 4 at $3 in / $15 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4 at $15 in / $75 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.1 at $7.5 in / $37.5 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.1 at $15 in / $75 out per 1M tokens
openrouterAnthropic API lists Claude Sonnet 4.5 at $1.5 in / $7.5 out per 1M tokens
openrouterAnthropic API lists Claude Sonnet 4.5 at $3 in / $15 out per 1M tokens
openrouterAnthropic API lists Claude Haiku 4.5 at $0.5 in / $2.5 out per 1M tokens
openrouterAnthropic API lists Claude Haiku 4.5 at $1 in / $5 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.5 at $2.5 in / $12.5 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.5 at $5 in / $25 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.6 at $2.5 in / $12.5 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.6 at $5 in / $25 out per 1M tokens
openrouterAnthropic API lists Claude Sonnet 4.6 at $1.5 in / $7.5 out per 1M tokens
openrouterAnthropic API lists Claude Sonnet 4.6 at $3 in / $15 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.7 at $2.5 in / $12.5 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.7 at $5 in / $25 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.8 at $2.5 in / $12.5 out per 1M tokens
openrouterAnthropic API lists Claude Opus 4.8 at $5 in / $25 out per 1M tokens
openrouterAnthropic API lists Claude Fable 5 at $5 in / $25 out per 1M tokens
openrouterAnthropic API lists Claude Fable 5 at $10 in / $50 out per 1M tokens
openrouterAnthropic API lists Claude Sonnet 5 at $1 in / $5 out per 1M tokens
openrouterAnthropic API lists Claude Sonnet 5 at $2 in / $10 out per 1M tokens
openrouterAnthropic API lists Claude Opus 5 at $2.5 in / $12.5 out per 1M tokens
openrouterAnthropic API lists Claude Opus 5 at $5 in / $25 out per 1M tokens
openrouterAnthropic API lists Claude Fable 5.1 at $5 in / $25 out per 1M tokens
openrouterAnthropic API lists Claude Fable 5.1 at $10 in / $50 out per 1M tokens
openrouter
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Claude Developer Platform docs | docs.claude.com/en/docs/about-claude/model-deprecations.md | model_docs | T1· Official | 1 h ago | 1 |
| Claude Developer Platform docs | anthropic.com/news | listing | T1· Official | 1 h ago | 1 |
| Claude Developer Platform docs | docs.claude.com/en/docs/about-claude/models/overview.md | model_docs | T1· Official | 1 h ago | 1 |
| Claude Developer Platform docs | docs.claude.com/en/docs/about-claude/pricing.md | pricing | T1· Official | 1 h ago | 1 |
| Hugging Face Hub (public pages, model cards, papers) | huggingface.co/models?author=Anthropic&p=0&sort=downloads | listing | T2· Quality secondary | 1 h ago | 2 |
| GitHub public repositories (HTML, releases.atom, raw files) | github.com/anthropics/claude-code | repository | T2· Quality secondary | 1 h ago | 2 |
| GitHub public repositories (HTML, releases.atom, raw files) | github.com/anthropics/anthropic-sdk-python | repository | T2· Quality secondary | 1 h ago | 2 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.