--- title: "Anthropic: Claude Sonnet 4 — price, capability and what beats it · Undominated.ai" canonical: https://undominated.ai/models/anthropic__claude-sonnet-4/ description: "Anthropic: Claude Sonnet 4: $3.00/M in, $15.00/M out. Independent capability scores, context-tier pricing, and alternatives compared under recorded workload and capability requirements." --- # Anthropic: Claude Sonnet 4 — price, capability and what beats it · Undominated.ai > Anthropic: Claude Sonnet 4: $3.00/M in, $15.00/M out. Independent capability scores, context-tier pricing, and alternatives compared under recorded workload and capability requirements. [Check base rates for this workload](/check/anthropic__claude-sonnet-4/) [Cheaper alternatives](/alternatives/anthropic__claude-sonnet-4/) [Family](/families/claude/) [Compare models](https://undominated.ai/compare/?models=anthropic%2Fclaude-sonnet-4) Comparison context Choose up to three standard models in Compare. Requirements and prompt length apply in Compare. This page keeps its stated price basis and workload controls. MODEL PROOF # Claude Sonnet 4 Anthropic · 22 May 2025 Balanced Summarise Chat Code gen Agentic BETTER VALUE OPTION ## A stored alternative has an equal-or-higher measured score and an equal-or-lower price. **$6.00** / 1M tokens Balanced · 3 tokens in per 1 out Base context tier shown; inspect the complete context ladder below. [Gemini 3.8 Flash](/models/google__gemini-3.8-flash/) · Δ score 157.9 points · 50% lower measured price · $3.00 / 1M tokens [MiMo-V2.6-Pro](/models/xiaomi__mimo-v2.6-pro/) is a further stored option with these losses: no file input Evidence as of 06 Oct 2026 [openrouter/models](https://openrouter.ai/api/v1/models) [LMArena · cc-by-4.0](https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset) Independent LMArena score 1,339.1 ± 4.44 · 38,912 votes Context window 200K Maximum output 64K Input modalities image, text, file Output modalities text Published input price $3.00 / 1M tokens Published output price $15.00 / 1M tokens Pricing kind fixed Context tiers Tiered by context Inspect [complete billing conditions](#billing-details) and endpoint terms below. Price from Amazon Bedrock: the cheapest offer that is serving, at standard delivery and at the maker’s precision or better, at its standard rate. Every price dimension · USD per million tokens | Input | $3.00 /M | | --- | --- | | Output | $15.00 /M | | Cached input | $0.300 /M | | Cache write | $3.75 /M | | Cache write 1h | $6.00 /M | | Reasoning | Unknown /M | | Web search | $0.01 /call | **The headline rate does not apply to a long-context workload.** Complete context ladder · 1 tier | More than 200,000 tokens | $6.00 /M in (2×) $22.50 /M out $0.600 /M cached input $7.50 /M cache write | | --- | --- | ### Who sells it The same weights, different shops. Cheapest is not like-for-like when serving precision differs. 2 provider offers · rates, limits and conditions Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test. | Seller | Input | Output | Precision | Uptime (1d) | | --- | --- | --- | --- | --- | | Seller Amazon Bedrock amazon-bedrock/eu-west-1 Endpoint terms Cached input /M $0.300 Context limit 200,000 tokens Output limit 64,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes Unknown | Input $3.00 | Output $15.00 | Precision undeclared | Uptime (1d) 100.00% | | Seller Amazon Bedrock amazon-bedrock Endpoint terms Cached input /M $0.300 Context limit 200,000 tokens Output limit 64,000 tokens Tools Listed by endpoint Reasoning Listed by endpoint Promotional discount None reported Uptime · last 30 minutes 100.00% | Input $3.00 | Output $15.00 | Precision undeclared | Uptime (1d) 100.00% | ### Independent scores | LMArena Elo | 1339.1 default | | --- | --- | LMArena Elo under CC BY 4.0. Absence of another board is not a score of zero. #### Best rankings by task - 3D #63 1147 - SVG #66 1077 - Game development #69 1151 - Data visualisation #72 1164 - Code categories #78 1147 - UI components #78 1135 - Websites #82 1152 Per-task Elo and rank from [Design Arena](https://designarena.ai), via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list. ### Capability | Context window | 200K | | --- | --- | | Max output | 64K | | Input modes | image, text, file | | Tool use | yes | | Reasoning | optional | | Knowledge cutoff | 2025-01-31 | | Open weights | no | ### Provenance | Price source | [openrouter.ai](https://openrouter.ai/api/v1/models) | | --- | --- | | Fetched | 2026-10-06 | | Quality data | verified | Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),... ## Questions this page answers What does Claude Sonnet 4 cost? $3.00/M in, $15.00/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. Does Claude Sonnet 4 have an independent quality score? Claude Sonnet 4 has an LMArena score in this catalogue. What beats Claude Sonnet 4? Gemini 3.8 Flash has an equal-or-higher measured score and an equal-or-lower price. Does this page use Artificial Analysis scores for Claude Sonnet 4? No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated. MODEL MONUMENT ## Save or share this proof Download proof card · 1200 × 630 Preview and more sharing options Anthropic: Claude Sonnet 4. Balanced workload. Better value option available. Evidence as of 06 Oct 2026. Copy model link Download square card · 1080 × 1080 Copy landscape image Share landscape card ## Related - Both better and cheaper [Gemini 3.8 Flash](/models/google__gemini-3.8-flash/) - Higher score and cheaper, with a named trade [MiMo-V2.6-Pro](/models/xiaomi__mimo-v2.6-pro/) - Nearby on the capability axis [MiniMax M2](/models/minimax__minimax-m2/) - Same vendor [Claude Haiku 4.5](/models/anthropic__claude-haiku-4.5/) - Anthropic models [Anthropic](/providers/anthropic/) - Where this model appears [wire](/wire/) - Nearby on the capability axis [o3 Mini High](/models/openai__o3-mini-high/) - Same vendor [Claude Opus 4.1](/models/anthropic__claude-opus-4.1/) - Where this model appears [cliffs](/cliffs/) - Nearby on the capability axis [Trinity Large Thinking](/models/arcee-ai__trinity-large-thinking/) - Same vendor [Claude Sonnet 4.5](/models/anthropic__claude-sonnet-4.5/) - Where this model appears [significance](/significance/) ## Badge The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not. Markdown Copy [![Claude Sonnet 4 — Undominated.ai dominance verdict](https://undominated.ai/badge/anthropic__claude-sonnet-4.svg)](https://undominated.ai/models/anthropic__claude-sonnet-4/) HTML Copy Claude Sonnet 4 — Undominated.ai dominance verdict Direct file: [https://undominated.ai/badge/anthropic__claude-sonnet-4.svg](https://undominated.ai/badge/anthropic__claude-sonnet-4.svg) — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never older than the last deploy. ## Continue your investigation - [Explore model families](/families/) - [Compare a shortlist](/compare/) - [Check a model](/check/) - [Understand the evidence](/methodology/)