API cost decision in 10 seconds

Anthropic Claude Sonnet Latest vs 🔥Claude Opus 4.6

Pick Anthropic Claude Sonnet Latest when budget is the priority.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Anthropic Claude Sonnet Latest when budget is the priority.

On the standard 1M input plus 500K output workload, Anthropic Claude Sonnet Latest is estimated at $10.5 vs $17.5 for Claude Opus 4.6, saving $7 (40% lower).

Cost-first pickAnthropic Claude Sonnet Latest
Context-first pickTie
Sample savings$740%
10x traffic gap$70

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $70. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Anthropic Claude Sonnet Latest stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickAnthropic Claude Sonnet LatestClaude Opus 4.6
Input-heavy / RAG 5M input + 500K output Anthropic Claude Sonnet Latest $22.5 $37.5
Balanced workload 1M input + 1M output Anthropic Claude Sonnet Latest $18 $30
Output-heavy chatbot 1M input + 5M output Anthropic Claude Sonnet Latest $78 $130
Cheaper inputAnthropic Claude Sonnet Latest$3 vs $5 / 1M
Cheaper outputAnthropic Claude Sonnet Latest$15 vs $25 / 1M
Larger contextTie1M vs 1M
Sample workloadAnthropic Claude Sonnet Latest$10.5 vs $17.5

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Anthropic Claude Sonnet LatestCalculating…Estimated API cost
Claude Opus 4.6Calculating…Estimated API cost
Cheaper for this workloadCalculating…Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Anthropic Claude Sonnet Latest has the lower input price, Anthropic Claude Sonnet Latest has the lower output price, and Tie offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $10.5 for Anthropic Claude Sonnet Latest and $17.5 for Claude Opus 4.6.

Best Fit

Choose Anthropic Claude Sonnet Latest when you care most about lower input-token price, and lower output-token price.

Choose Claude Opus 4.6 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Head-to-Head Specs
FeatureAnthropic Claude Sonnet Latest
(Anthropic)
🔥Claude Opus 4.6
(Anthropic)
Input Price
prompt tokens per 1M
$3$5
Completion Price
per 1M tokens
$15$25
Sample Workload Cost
1M input + 500K output
$10.5$17.5
Context Window1M1M
Release Date2026-04-272026-02-04
Popularity#18
Anthropic Claude Sonnet Latest

This model always redirects to the latest model in the Anthropic Claude Sonnet family.

Claude Opus 4.6

Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionAnthropic Claude Sonnet LatestOn the standard 1M input plus 500K output workload, Anthropic Claude Sonnet Latest is estimated at $10.5 vs $17.5 for Claude Opus 4.6, saving $7 (40% lower).
High-volume input processingAnthropic Claude Sonnet LatestLower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsAnthropic Claude Sonnet LatestLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workTieA larger context window leaves more room for retrieved passages and source files.