Updated 23 min ago · first seen 11 Sept 2026
company_01M293SNX22C24ZSAB9Y9XFKG6
- Country
- US
- T2 · 23 min ago
- Founded
- 2021
- T2 · 23 min ago
- HQ
- San Francisco, California
- T2 · 23 min ago
- Kind
- company
- T2 · 23 min ago
Specification
- Country
- US
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 23 min 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 23 min agomedium
- Founded
- 2021
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 23 min agomedium
- GitHub org
- anthropics
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 23 min agomedium
- Headquarters
- San Francisco, California
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 23 min agomedium
- Hugging Face org
- Anthropic
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 23 min agomedium
- Kind
- company
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 23 min agomedium
- Website
Source:AI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2observed 23 min 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
23 min 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 Opus 4 | — | 200K | proprietary | 22 May 2025 | retired | 67 |
| Claude Sonnet 4 | — | 1M | 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 | — | — | proprietary | — | limited-availability | 67 |
| Claude Mythos 5.1 | — | — | 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 | 14 min ago | 1 |
| Claude Developer Platform docs | anthropic.com/news | listing | T1· Official | 14 min ago | 1 |
| Claude Developer Platform docs | docs.claude.com/en/docs/about-claude/models/overview.md | model_docs | T1· Official | 14 min ago | 1 |
| Claude Developer Platform docs | docs.claude.com/en/docs/about-claude/pricing.md | pricing | T1· Official | 14 min ago | 1 |
| Hugging Face Hub (public pages, model cards, papers) | huggingface.co/models?author=Anthropic&p=0&sort=downloads | listing | T2· Quality secondary | 3 min ago | 1 |
| GitHub public repositories (HTML, releases.atom, raw files) | github.com/anthropics/claude-code | repository | T2· Quality secondary | 4 min ago | 2 |
| GitHub public repositories (HTML, releases.atom, raw files) | github.com/anthropics/anthropic-sdk-python | repository | T2· Quality secondary | 5 min ago | 2 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.