Claude API Pricing
The AI safety-focused lab behind Claude. Founded by ex-OpenAI researchers in 2021, it ships frontier-grade reasoning models with zero-retention defaults and the most rigorous published RSP (Responsible Scaling Policy) in the field.
Claude Sonnet 5
Official Anthropic Claude Sonnet page lists Claude Sonnet 5 introductory API pricing at $2/M input and $10/M output through 2026-08-31, with standard $3/M input and $15/M output starting 2026-09-01.
Claude Fable 5 LAUNCHED JUN 2026
Claude Fable 5 is listed by Anthropic at $10/M input, $12.50/M 5m cache writes, $20/M 1h cache writes, $1/M cache hits, and $50/M output.
Claude Opus 4.8 LAUNCHED MAY 2026
Newest generally available Opus release.
Claude Opus 4.7
Newest Opus.
Claude Opus 4.6
.
Claude Sonnet 4.6
.
Claude Opus 4.5
Repriced down from $15 input / $75 output launch list to match 4.6/4.7 tier.
Claude Sonnet 4.5
.
Claude Haiku 4.5
.
Claude Mythos 5 LAUNCHED JUN 2026
⚠ Glasswing partners first; broader trusted access planned. No self-serve API alias published in launch post.. Claude Mythos 5 is listed by Anthropic at $10/M input, $12.50/M 5m cache writes, $20/M…
Claude Opus 4.1
Legacy Opus pricing tier at $15/M input, $1.50/M cache-hit, $75/M output.
Claude Opus 4 LAUNCHED MAY 2025
Deprecated on April 14, 2026 with retirement scheduled for June 15, 2026.
Claude Sonnet 4 LAUNCHED MAY 2025
API model name claude-sonnet-4-20250514.
Claude Sonnet 3.7
Archive-only model.
Claude Sonnet 3.5 (October 2024) LAUNCHED OCT 2024
API model name claude-3-5-sonnet-20241022.
Claude Haiku 3.5
Retired from first-party Claude API on Feb 19, 2026 (still available on Amazon Bedrock and Vertex AI per their own deprecation schedules).
Claude Sonnet 3.5 (June 2024) LAUNCHED JUN 2024
API model name claude-3-5-sonnet-20240620.
Claude Opus 3 LAUNCHED MAR 2024
API model name claude-3-opus-20240229.
Claude Sonnet 3 LAUNCHED MAR 2024
API model name claude-3-sonnet-20240229.
Claude Haiku 3 LAUNCHED MAR 2024
API model name claude-3-haiku-20240307.
Claude Mythos Preview
⚠ Glasswing partners only — no public API. Restricted-access Mythos Preview archive.
| Model | Input /M | Output /M | Cached | Context | Max output | Vision | Tools | Tier |
|---|---|---|---|---|---|---|---|---|
| Claude Sonnet 5 | $2.00 | $10 | $0.2−90% | 1M | — | ✓ | ✓ | Active |
| Claude Fable 5 FLAGSHIP | $10 | $50 | $1.00−90% | 1M | — | ✓ | ✓ | Active |
| Claude Opus 4.8 | $5.00 | $25 | $0.5−90% | 1M | — | ✓ | ✓ | Frontier |
| Claude Opus 4.7 | $5.00 | $25 | $0.5−90% | 1M | — | ✓ | ✓ | Frontier |
| Claude Opus 4.6 | $5.00 | $25 | $0.5−90% | 1M | — | ✓ | ✓ | Frontier |
| Claude Sonnet 4.6 | $3.00 | $15 | $0.3−90% | 1M | — | ✓ | ✓ | Mid |
| Claude Opus 4.5 | $5.00 | $25 | $0.5−90% | 200K | — | ✓ | ✓ | Frontier |
| Claude Sonnet 4.5 | $3.00 | $15 | $0.3−90% | 200K | — | ✓ | ✓ | Mid |
| Claude Haiku 4.5 | $1.00 | $5.00 | $0.1−90% | 200K | — | ✗ | ✓ | Light |
| Claude Mythos 5 RESTRICTED | $10 | $50 | $1.00−90% | 1M | Glasswing partners first; broader trusted access planned. No self-serve API alias published in launch post. | ✓ | ✗ | Restricted |
| Claude Opus 4.1 DEPRECATED | $15 | $75 | $1.50−90% | 200K | — | ✓ | ✓ | Deprecated |
| Claude Opus 4 DEPRECATED | $15 | $75 | $1.50−90% | 200K | — | ✓ | ✓ | Deprecated |
| Claude Sonnet 4 DEPRECATED | $3.00 | $15 | $0.3−90% | 200K | — | ✓ | ✓ | Deprecated |
| Claude Sonnet 3.7 RETIRED | — | — | — | Retired Feb 19, 2026 | → claude-sonnet-4-6 | ✓ | ✗ | Retired |
| Claude Sonnet 3.5 (October 2024) RETIRED | — | — | — | Retired Oct 28, 2025 | → claude-sonnet-4-6 | ✓ | ✗ | Retired |
| Claude Haiku 3.5 RETIRED | — | — | — | Retired Feb 19, 2026 | → claude-haiku-4-5 | ✗ | ✗ | Retired |
| Claude Sonnet 3.5 (June 2024) RETIRED | — | — | — | Retired Oct 28, 2025 | → claude-sonnet-4-6 | ✓ | ✗ | Retired |
| Claude Opus 3 RETIRED | — | — | — | Retired Jan 5, 2026 | → claude-opus-4-7 | ✓ | ✗ | Retired |
| Claude Sonnet 3 RETIRED | — | — | — | Retired Jul 21, 2025 | → claude-sonnet-4-6 | ✓ | ✗ | Retired |
| Claude Haiku 3 RETIRED | — | — | — | Retired Apr 20, 2026 | → claude-haiku-4-5 | ✓ | ✗ | Retired |
| Claude Mythos Preview RESTRICTED | $25 | $125 | — | documented elsewhere | Glasswing partners only — no public API | ✗ | ✗ | Restricted |
Pricing across the lineup.
The last 12 months at Anthropic.
Major releases, pricing moves, and capability updates. Sourced from official Anthropic announcements + our own verification.
console.anthropic.com — direct API access, dev workbench, billing. $5 free credit on signup. Full feature parity.
CLOUD · AWSModels in 13 AWS regions including EU Frankfurt. VPC-routable, IAM-controlled, BAA-eligible. Same per-token pricing.
CLOUD · GCPAnthropic models on Google Cloud. Useful if your stack is GCP-native. Slight latency premium vs direct.
CONSUMER · WEBPro / Max / Team subscriptions. Web, iOS, Android, macOS, Windows. No API access — for end-user usage.
Anthropic was founded in 2021 by Dario and Daniela Amodei alongside several former OpenAI researchers — including Tom Brown (lead author of the GPT-3 paper) and the team behind Constitutional AI research. The pitch: build frontier-grade AI with safety and interpretability as first-class concerns, not afterthoughts.
The company is structured as a public-benefit corporation (PBC), which legally binds its directors to weigh public good alongside shareholder return. This is the strongest legal commitment to safety among frontier labs — a meaningful difference vs OpenAI's capped-profit structure or Google DeepMind's research-arm-of-Alphabet model.
Anthropic's flagship technical contributions: Constitutional AI (training models with explicit principles rather than only RLHF), the Responsible Scaling Policy (public commitments about which capabilities trigger which safety reviews), and Model Context Protocol (MCP — open spec for tool-using agents, now widely adopted across the industry).
Funding has come primarily from Google ($2B) and Amazon ($4B) — both also resell Claude through their cloud platforms. The latest valuation rounds put the company at $60B+ as of 2025. Revenue trajectory is in the multi-billion-dollar range, primarily from API customers and Claude consumer subscriptions.
Compared to OpenAI: smaller, narrower model lineup, more conservative on multimodal, but stronger on coding and reasoning benchmarks since 2024. Compared to Google: more focused product set, less ecosystem reach, but better SWE-bench scores. Direct head-to-head with GPT-5.
OpenAI
Wider model lineup (GPT-5, GPT-5 mini, o-series, DALL-E, Whisper). Stronger ecosystem (GPT Store, plugins, Microsoft integration). Loses on SWE-bench by 5pt.
CLOUD GIANT2M token context wins long-doc analysis. Native Workspace integration. Free tier most generous. Behind on coding agents though.
EU CHAMPIONMistral
EU-based, GDPR-native. Open-weight models available. Better French/German support. Lower benchmarks but transparent.
COST DISRUPTORDeepSeek
55× cheaper than Opus at 70-80% of quality on most tasks. Open-weight models. China-based — geopolitical considerations apply.
Meta
Llama 4 405B — most capable open-weight model. Self-hostable. Free on Meta.ai. Apache-licensed weights.
Aleph Alpha
German-made Luminous models. Used by EU governments. Full data sovereignty. Smaller scale but compliance-strong.
Frequently asked.
Practical questions about Anthropic and the Claude lineup.
Q · 01 What is the newest Claude model? +
$2/M input and $10/M output through August 31, 2026; standard Sonnet $3/$15 pricing starts September 1, 2026.Q · 02 Which Claude model should I start with? +
$2/M input and $10/M output through August 31, 2026, then it moves to standard Sonnet $3/$15 pricing. Use Opus for harder reasoning, Haiku for cheaper high-volume classification, and Fable/Mythos only where access and safeguards fit.