LLM Comparison

Claude Sonnet 5 vs Inflection 3 Productivity

Side-by-side specs, pricing & capabilities · Updated September 2026

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2/6 models
Same tier:
 AnthropicClaude Sonnet 5Inflection AIInflection 3 Productivity
OrganizationAnthropicAnthropicInflection AIInflection AI
OpenTools Score
63
10.4
FamilyClaude SonnetInflection
StatusCurrentCurrent
Release DateJun 2026Oct 2024
Context Window1.0M tokens8K tokens
Input Price$2.00/M tokens$2.50/M tokens
Output Price$10.00/M tokens$10.00/M tokens
Pricing NotesClaude API standard pricing is $2 input and $10 output per million tokens. Cache reads are $0.20, 5-minute cache writes $2.50, and 1-hour cache writes $4 per million tokens. Batch API input/output receives a 50% discount. Current official documentation lists these rates without the previously recorded August 31 introductory expiry; provider-specific rates may differ.—
Capabilities
textvisionreasoningcodingtool-useextended-thinkingagents
textcode
Max Output128K tokens1K tokens
API Identifierclaude-sonnet-5inflection/inflection-3-productivity
Benchmarks
Artificial Analysis Intelligence Index
53artificial-analysis
—
Artificial Analysis Intelligence Index v4.3
38https://artificialanalysis.ai/models/claude-sonnet-5
—
GPQA Diamond
91.1111artificial-analysis
—
SciCode
54.2824artificial-analysis
—
Terminal-Bench 2.1
80.5243artificial-analysis
—
 View Claude Sonnet 5View Inflection 3 Productivity

Cost Calculator

Enter your expected monthly token usage to compare costs.

ModelInputOutputTotal / movs Best
Claude Sonnet 5Cheapest$2.00$5.00$7.00—
Inflection 3 Productivity$2.50$5.00$7.50+7%

Anthropic

Claude Sonnet 5

Claude Sonnet 5 is Anthropic next-generation Sonnet model and a drop-in upgrade from Sonnet 4.6. Anthropic docs state that adaptive thinking is on by default, manual extended thinking is removed, sampling parameter overrides return errors, and the model supports a 1M token context window with 128K max output.

Inflection AI

Inflection 3 Productivity

Inflection 3 Productivity is a large language model from Inflection AI. Supports up to 8,000 token context window. Available from $2.50/M input tokens.

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