Model cost comparisons

Side-by-side AI pricing, clearly ranked

Curated model-vs-model pages that reuse the same CentsPerToken catalog as the calculators—so every comparison stays consistent.

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High-intent pairs teams open first when planning spend.

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13 pairs

Catalog rates updated 2026-07-31.

General chat and coding assistants

Claude Sonnet 4 vs GPT-4o Cost

Compare approximate Claude Sonnet 4 and GPT-4o API list prices for input, output, cache, and batch workloads.

AnthropicClaude Sonnet 4In $3.00/1M · Out $15.00/1M
OpenAIGPT-4oIn $2.50/1M · Out $10.00/1M

On 10k × 2k/500 tokens: GPT-4o lower by $35.00

Open comparison

High-volume product features

Gemini 2.5 Flash vs GPT-4o mini Cost

Side-by-side cost comparison of Gemini 2.5 Flash and GPT-4o mini for high-volume, low-latency apps.

GoogleGemini 2.5 FlashIn $0.30/1M · Out $2.50/1M
OpenAIGPT-4o miniIn $0.15/1M · Out $0.60/1M

On 10k × 2k/500 tokens: GPT-4o mini lower by $12.50

Open comparison

Long-context reasoning

Claude Opus 4 vs o3 Cost

Estimate spend differences between Claude Opus 4 and OpenAI o3 for heavy reasoning workloads.

AnthropicClaude Opus 4In $15.00/1M · Out $75.00/1M
OpenAIo3In $10.00/1M · Out $40.00/1M

On 10k × 2k/500 tokens: o3 lower by $275.00

Open comparison

OpenAI tier routing

GPT-4o vs GPT-4o mini Cost

See how much you save by routing traffic from GPT-4o to GPT-4o mini on the same token volume.

OpenAIGPT-4oIn $2.50/1M · Out $10.00/1M
OpenAIGPT-4o miniIn $0.15/1M · Out $0.60/1M

On 10k × 2k/500 tokens: GPT-4o mini lower by $94.00

Open comparison

Flagship assistant routing

Gemini 2.5 Pro vs Claude Sonnet 4 Cost

Compare Gemini 2.5 Pro and Claude Sonnet 4 list prices for production assistant workloads.

GoogleGemini 2.5 ProIn $1.25/1M · Out $10.00/1M
AnthropicClaude Sonnet 4In $3.00/1M · Out $15.00/1M

On 10k × 2k/500 tokens: Gemini 2.5 Pro lower by $60.00

Open comparison

Cost-sensitive automation

Claude Haiku 3.5 vs GPT-4o mini Cost

Budget-friendly model comparison for classification, extraction, and lightweight chat.

AnthropicClaude Haiku 3.5In $0.80/1M · Out $4.00/1M
OpenAIGPT-4o miniIn $0.15/1M · Out $0.60/1M

On 10k × 2k/500 tokens: GPT-4o mini lower by $30.00

Open comparison

Image generation volume

DALL·E 3 vs Flux Pro Cost

Approximate per-image cost comparison for DALL·E 3 Standard and Flux Pro.

OpenAIDALL·E 3 Standard$0.04 / image (1024×1024 standard)
Black Forest LabsFlux Pro$0.05 / image

On 1,000 units: DALL·E 3 Standard lower by $10.00

Open comparison

Voice product scale

TTS-1 vs TTS-1 HD Cost

Compare OpenAI text-to-speech list prices per million characters.

OpenAITTS-1$15.00 / 1M characters
OpenAITTS-1 HD$30.00 / 1M characters

On 1,000 units: TTS-1 lower by $15,000.00

Open comparison

Flagship model routing

GPT-5.5 vs Claude Opus 4.8 Cost

Compare approximate GPT-5.5 and Claude Opus 4.8 API list prices for flagship text workloads.

OpenAIGPT-5.5In $5.00/1M · Out $30.00/1M
AnthropicClaude Opus 4.8In $5.00/1M · Out $25.00/1M

On 10k × 2k/500 tokens: Claude Opus 4.8 lower by $25.00

Open comparison

High-volume product features

Gemini 3.5 Flash vs GPT-5 nano Cost

Side-by-side planning costs for high-volume Flash vs ultra-cheap nano routing.

GoogleGemini 3.5 FlashIn $1.50/1M · Out $9.00/1M
OpenAIGPT-5 nanoIn $0.05/1M · Out $0.40/1M

On 10k × 2k/500 tokens: GPT-5 nano lower by $72.00

Open comparison

Budget vs agentic tradeoffs

DeepSeek V4 Flash vs Grok 4.3 Cost

Compare efficiency-focused DeepSeek V4 Flash against Grok 4.3 list prices.

DeepSeekDeepSeek V4 FlashIn $0.14/1M · Out $0.28/1M
xAI (Grok)Grok 4.3In $1.25/1M · Out $2.50/1M

On 10k × 2k/500 tokens: DeepSeek V4 Flash lower by $33.30

Open comparison

By use case

Browse by focus

Jump into the planning lens that matches your workload.

General chat and coding assistants

1 comparison

General chat and coding assistants

Claude Sonnet 4 vs GPT-4o Cost

Compare approximate Claude Sonnet 4 and GPT-4o API list prices for input, output, cache, and batch workloads.

AnthropicClaude Sonnet 4In $3.00/1M · Out $15.00/1M
OpenAIGPT-4oIn $2.50/1M · Out $10.00/1M

On 10k × 2k/500 tokens: GPT-4o lower by $35.00

Open comparison

High-volume product features

2 comparisons

High-volume product features

Gemini 2.5 Flash vs GPT-4o mini Cost

Side-by-side cost comparison of Gemini 2.5 Flash and GPT-4o mini for high-volume, low-latency apps.

GoogleGemini 2.5 FlashIn $0.30/1M · Out $2.50/1M
OpenAIGPT-4o miniIn $0.15/1M · Out $0.60/1M

On 10k × 2k/500 tokens: GPT-4o mini lower by $12.50

Open comparison

High-volume product features

Gemini 3.5 Flash vs GPT-5 nano Cost

Side-by-side planning costs for high-volume Flash vs ultra-cheap nano routing.

GoogleGemini 3.5 FlashIn $1.50/1M · Out $9.00/1M
OpenAIGPT-5 nanoIn $0.05/1M · Out $0.40/1M

On 10k × 2k/500 tokens: GPT-5 nano lower by $72.00

Open comparison

Long-context reasoning

1 comparison

Long-context reasoning

Claude Opus 4 vs o3 Cost

Estimate spend differences between Claude Opus 4 and OpenAI o3 for heavy reasoning workloads.

AnthropicClaude Opus 4In $15.00/1M · Out $75.00/1M
OpenAIo3In $10.00/1M · Out $40.00/1M

On 10k × 2k/500 tokens: o3 lower by $275.00

Open comparison

OpenAI tier routing

1 comparison

OpenAI tier routing

GPT-4o vs GPT-4o mini Cost

See how much you save by routing traffic from GPT-4o to GPT-4o mini on the same token volume.

OpenAIGPT-4oIn $2.50/1M · Out $10.00/1M
OpenAIGPT-4o miniIn $0.15/1M · Out $0.60/1M

On 10k × 2k/500 tokens: GPT-4o mini lower by $94.00

Open comparison

Flagship assistant routing

1 comparison

Flagship assistant routing

Gemini 2.5 Pro vs Claude Sonnet 4 Cost

Compare Gemini 2.5 Pro and Claude Sonnet 4 list prices for production assistant workloads.

GoogleGemini 2.5 ProIn $1.25/1M · Out $10.00/1M
AnthropicClaude Sonnet 4In $3.00/1M · Out $15.00/1M

On 10k × 2k/500 tokens: Gemini 2.5 Pro lower by $60.00

Open comparison

Cost-sensitive automation

1 comparison

Cost-sensitive automation

Claude Haiku 3.5 vs GPT-4o mini Cost

Budget-friendly model comparison for classification, extraction, and lightweight chat.

AnthropicClaude Haiku 3.5In $0.80/1M · Out $4.00/1M
OpenAIGPT-4o miniIn $0.15/1M · Out $0.60/1M

On 10k × 2k/500 tokens: GPT-4o mini lower by $30.00

Open comparison

RAG indexing

1 comparison

Image generation volume

1 comparison

Image generation volume

DALL·E 3 vs Flux Pro Cost

Approximate per-image cost comparison for DALL·E 3 Standard and Flux Pro.

OpenAIDALL·E 3 Standard$0.04 / image (1024×1024 standard)
Black Forest LabsFlux Pro$0.05 / image

On 1,000 units: DALL·E 3 Standard lower by $10.00

Open comparison

Speech-to-text budgets

1 comparison

Voice product scale

1 comparison

Voice product scale

TTS-1 vs TTS-1 HD Cost

Compare OpenAI text-to-speech list prices per million characters.

OpenAITTS-1$15.00 / 1M characters
OpenAITTS-1 HD$30.00 / 1M characters

On 1,000 units: TTS-1 lower by $15,000.00

Open comparison

Flagship model routing

1 comparison

Flagship model routing

GPT-5.5 vs Claude Opus 4.8 Cost

Compare approximate GPT-5.5 and Claude Opus 4.8 API list prices for flagship text workloads.

OpenAIGPT-5.5In $5.00/1M · Out $30.00/1M
AnthropicClaude Opus 4.8In $5.00/1M · Out $25.00/1M

On 10k × 2k/500 tokens: Claude Opus 4.8 lower by $25.00

Open comparison

Budget vs agentic tradeoffs

1 comparison

Budget vs agentic tradeoffs

DeepSeek V4 Flash vs Grok 4.3 Cost

Compare efficiency-focused DeepSeek V4 Flash against Grok 4.3 list prices.

DeepSeekDeepSeek V4 FlashIn $0.14/1M · Out $0.28/1M
xAI (Grok)Grok 4.3In $1.25/1M · Out $2.50/1M

On 10k × 2k/500 tokens: DeepSeek V4 Flash lower by $33.30

Open comparison