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Claude Opus 5 vs Claude Sonnet 5 (batch)

Detailed technical comparison between Claude Opus 5 (Anthropic) and Claude Sonnet 5 (batch) (Anthropic). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

โšก Executive Summary & Verdict

Comparison Snapshot

Claude Opus 5: 2 WinsvsClaude Sonnet 5 (batch): 4 Wins
Context Leader

Tie

Equal Capacity
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Claude Sonnet 5 (batch)

$1.00 / MTok
Anthropicactive

Claude Opus 5

Claude Opus 5 is an advanced artificial intelligence model engineered by Anthropic. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Claude Opus 5 represents a key architectural iteration in the Anthropic model family. First released in 2026-07-24, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,000,000 tokens (approximately 1,333 words), Claude Opus 5 processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View Claude Opus 5 Full Specs โ†’
Anthropicactive

Claude Sonnet 5 (batch)

Claude Sonnet 5 (batch) is an advanced artificial intelligence model engineered by Anthropic. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Claude Sonnet 5 (batch) represents a key architectural iteration in the Anthropic model family. First released in 2026-06-30, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,000,000 tokens (approximately 1,333 words), Claude Sonnet 5 (batch) processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View Claude Sonnet 5 (batch) Full Specs โ†’

Technical Specifications

๐Ÿ† = Superior Spec
SpecificationClaude Opus 5Claude Sonnet 5 (batch)
ProviderAnthropicAnthropic
Context Window1,000,000 tokens1,000,000 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apimanaged api
Production StabilityBeta Access (est.)Beta Access (est.)
API AvailableYesYes
Released Date2026-07-242026-06-30

API Pricing Comparison

Input Price per Million Tokens

Claude Opus 5

$5.00

Claude Sonnet 5 (batch)

$1.00

Output Price per Million Tokens

Claude Opus 5

$25.00

Claude Sonnet 5 (batch)

$5.00

๐Ÿ’ก Cost Ratio: Claude Sonnet 5 (batch) is 5.0x cheaper per input token than Claude Opus 5.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Standardized Scores (0โ€“100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
81.2%vs81.6%+0.4% Claude Sonnet 5 (batch)
Claude Opus 5
Claude Sonnet 5 (batch) ๐Ÿ†
HumanEvalPython coding & logic synthesis
79.4%vs76.4%+3.0% Claude Opus 5
Claude Opus 5 ๐Ÿ†
Claude Sonnet 5 (batch)
MATHComplex mathematical problem solving
56.6%vs53.6%+3.0% Claude Opus 5
Claude Opus 5 ๐Ÿ†
Claude Sonnet 5 (batch)
GPQAGraduate-level expert reasoning
38.6%vs39.0%+0.4% Claude Sonnet 5 (batch)
Claude Opus 5
Claude Sonnet 5 (batch) ๐Ÿ†
HellaSwagCommonsense reasoning and inference
80.8%vs81.2%+0.4% Claude Sonnet 5 (batch)
Claude Opus 5
Claude Sonnet 5 (batch) ๐Ÿ†
MT-BenchMulti-turn conversation flow quality
8.3%vs8.4%+0.0% Claude Sonnet 5 (batch)
Claude Opus 5
Claude Sonnet 5 (batch) ๐Ÿ†

Claude Opus 5 Quirks & Gotchas

No developer gotchas reported.

Claude Sonnet 5 (batch) Quirks & Gotchas

No developer gotchas reported.

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