Claude Opus 4.8 Thinking

Claude Opus 4.8 Thinking is Anthropic's most advanced model, featuring deep reasoning blocks for complex logic. Use Claude for high-accuracy coding, agentic workflows, and 200k context tasks via our high-performance API at GPTProto.com.

Modalities

Context

API Usage Examples

curl --request POST "https://gptproto.com/v1/chat/completions" \
  --header "Authorization: Bearer $GPTPROTO_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "model": "claude-opus-4-8-thinking",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Claude Opus 4.8 Thinking pricing

Chat, coding agents & document work. Priced per 1M tokens — input, cached input and output are billed separately. GPTProto is 10% below official rates.

Your usage

Model

Claude · ≈ 148M tokens/mo (48M cached)

Monthly volume

OpenRouter

List + 5.5% credit fee

$721.62

per month

Input (non-cached)$168.80

Cache read$25.32

Output$527.50

Claude

Direct from Claude (list price)

$684

per month

Input (non-cached)$160

Cache read$24

Output$500

BEST VALUE

GPTProto

10% off official

$615.60

per month

After discount$615.60

Effective$615.60

Monthly cost by source

OpenRouter

$721.62

Claude

$684

GPTProto

$615.60

Save $68.40 / month

on GPTProto vs Claude (−10%)

Annual savings ≈ $820.80 · pay as you go

OpenRouter costs include its ~5.5% credit purchase fee. GPTProto applies a per-model discount (10–30% off) and your bonus credits are also spent at discounted rates — savings compound. Estimates assume a 60% cache hit rate.

Related Models

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Claude Opus 4.8 Thinking

Current

byClaude1M context$4.5/M input$22.5/M output

DeepSeek Flash

byDeepSeek$0.3/M input$1.2/M output

Hy4 Preview

byHunyuan1.05M context$0.7923/M input$2.376/M output

GPT 6 Astra

byOpenAI1.05M context$8/M input$40/M output

Gemini 3.8 Flash

byGoogle1.05M context$0.9/M input$4.5/M output

Claude Fable 5.1

byClaude1M context$9/M input$45/M output

Qwen3.8 Max 0902

byQwen1M context$1.8/M input$5.4/M output

GLM 5.3 Flash

byZ-AI1.31M context$0.15/M input$0.5/M output

DeepSeek v4 Flash Vision Exp

byDeepSeek1.05M context$0.3/M input$1.2/M output

GLM 5.3

byZ-AI1.31M context$1.26/M input$3.96/M output

Gemini 3.7 Flash

byGoogle1.05M context$0.9/M input$4.5/M output

Grok 4.6

byGrok500K context$1.2/M input$3.6/M output

Qwen3.8 Max

byQwen1M context$1.8/M input$5.4/M output

Claude Opus 5

byClaude1M context$4.5/M input$22.5/M output

Gemini 3.6 Flash

byGoogle1.05M context$0.9/M input$4.5/M output

Kimi K3

byMoonshotAI1.05M context$2.7/M input$13.5/M output

GPT 5.6 Luna

byOpenAI1.05M context$0.16/M input$0.96/M output

GPT 5.6 Terra

byOpenAI1.05M context$1.6/M input$9.6/M output

Grok 4.5

byGrok500K context$1.2/M input$3.6/M output

Claude Sonnet 5

byClaude1M context$1.8/M input$9/M output

Minimax M3

byMiniMax1.05M context$0.48/M input$0.96/M output

GLM 5.2

byZ-AI1.05M context$1.26/M input$3.96/M output

Claude Fable 5

byClaude1M context$9/M input$45/M output

Qwen3.7 Max

byQwen1M context$0.36/M input$1.44/M output

Claude Opus 4.8

byClaude1M context$4.5/M input$22.5/M output

DeepSeek v4 Flash

byDeepSeek1.05M context$0.3/M input$1.2/M output

Grok 4.3

byGrok1M context$0.75/M input$1.5/M output

Kimi K2.6

byMoonshotAI262K context$0.855/M input$3.6/M output

Claude Opus 4.7 Thinking

byClaude1M context$4.5/M input$22.5/M output

Minimax M2.5

byMiniMax205K context$0.24/M input$0.96/M output

Kimi K2.5

byMoonshotAI262K context$0.54/M input$2.7/M output

Doubao Seed 1.6 Thinking (Build 250715)

byBytedance262K context$0.0971/M input$0.9714/M output

Doubao Seed 1.6 Thinking (Build 250615)

byBytedance262K context$0.0971/M input$0.9714/M output

Doubao Seed 1.6 Flash (Build 250615)

byBytedance262K context$0.0182/M input$0.1821/M output

Model					Input → Output
Claude Opus 4.8 ThinkingCurrent $		1M	$4.50 / $22.50 per 1M	$5.63 / $0.45 per 1M	Input: TextInput: Document Output: Text
DeepSeek Flash $	—	—	$0.30 / $1.20 per 1M	— / $0.006 per 1M	Input: TextInput: Image Output: Text
Hy4 Preview $		1.05M	$0.79 / $2.38 per 1M	— / $0.04 per 1M	Input: Text Output: Text
GPT 6 Astra $		1.05M	$8.00 / $40.00 per 1M	$10.00 / $0.80 per 1M	Input: TextInput: ImageInput: Document Output: Text
Gemini 3.8 Flash $		1.05M	$0.90 / $4.50 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text
Claude Fable 5.1 $		1M	$9.00 / $45.00 per 1M	$11.25 / $0.23 per 1M	Input: TextInput: ImageInput: Document Output: Text
Qwen3.8 Max 0902 $		1M	$1.80 / $5.40 per 1M	$2.25 / $0.23 per 1M	Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text
GLM 5.3 Flash $	—	1.31M	$0.15 / $0.50 per 1M	— / $0.03 per 1M	Input: TextInput: ImageInput: VideoInput: Document Output: Text
DeepSeek v4 Flash Vision Exp $	—	1.05M	$0.30 / $1.20 per 1M	— / $0.006 per 1M	Input: TextInput: Image Output: Text
GLM 5.3 $		1.31M	$1.26 / $3.96 per 1M	— / $0.23 per 1M	Input: TextInput: ImageInput: Document Output: Text
Gemini 3.7 Flash $		1.05M	$0.90 / $4.50 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: Document Output: Text
Grok 4.6 $		500K	$1.20 / $3.60 per 1M	— / $0.30 per 1M	Input: TextInput: Image Output: Text
Qwen3.8 Max $		1M	$1.80 / $5.40 per 1M	$2.25 / $0.23 per 1M	Input: TextInput: ImageInput: VideoInput: Document Output: Text
Claude Opus 5 $		1M	$4.50 / $22.50 per 1M	$5.63 / $0.45 per 1M	Input: TextInput: ImageInput: Document Output: Text
Gemini 3.6 Flash $		1.05M	$0.90 / $4.50 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: Document Output: Text
Kimi K3 $		1.05M	$2.70 / $13.50 per 1M	$0.27 / $0.27 per 1M	Input: TextInput: ImageInput: Document Output: Text
GPT 5.6 Luna $		1.05M	$0.16 / $0.96 per 1M	$0.20 / $0.02 per 1M	Input: TextInput: ImageInput: Document Output: Text
GPT 5.6 Terra $		1.05M	$1.60 / $9.60 per 1M	$2.00 / $0.16 per 1M	Input: TextInput: ImageInput: Document Output: Text
Grok 4.5 $		500K	$1.20 / $3.60 per 1M	$0.30 / $0.30 per 1M	Input: TextInput: Image Output: Text
Claude Sonnet 5 $		1M	$1.80 / $9.00 per 1M	$2.25 / $0.18 per 1M	Input: TextInput: Document Output: Text
Minimax M3 $		1.05M	$0.48 / $0.96 per 1M	$0.10 / $0.10 per 1M	Input: TextInput: ImageInput: Document Output: Text
GLM 5.2 $		1.05M	$1.26 / $3.96 per 1M	$0.23 / $0.23 per 1M	Input: TextInput: ImageInput: Document Output: Text
Claude Fable 5 $		1M	$9.00 / $45.00 per 1M	$11.25 / $0.90 per 1M	Input: TextInput: Document Output: Text
Qwen3.7 Max $		1M	$0.36 / $1.44 per 1M	$0.07 / $0.07 per 1M	Input: TextInput: Document Output: Text
Claude Opus 4.8 $		1M	$4.50 / $22.50 per 1M	$5.63 / $0.45 per 1M	Input: TextInput: Document Output: Text
DeepSeek v4 Flash $	—	1.05M	$0.30 / $1.20 per 1M	— / $0.006 per 1M	Input: Text Output: Text
Grok 4.3 $		1M	$0.75 / $1.50 per 1M	$0.12 / $0.12 per 1M	Input: TextInput: Image Output: Text
Kimi K2.6 $		262K	$0.85 / $3.60 per 1M	$0.14 / $0.14 per 1M	Input: TextInput: Document Output: Text
Claude Opus 4.7 Thinking $		1M	$4.50 / $22.50 per 1M	$5.63 / $0.45 per 1M	Input: TextInput: Document Output: Text
Minimax M2.5 $		205K	$0.24 / $0.96 per 1M	$0.30 / $0.02 per 1M	Input: TextInput: Document Output: Text
Kimi K2.5 $		262K	$0.54 / $2.70 per 1M	$0.09 / $0.09 per 1M	Input: TextInput: Document Output: Text
Doubao Seed 1.6 Thinking (Build 250715) $		262K	$0.10 / $0.97 per 1M	—	Input: TextInput: Image Output: Text
Doubao Seed 1.6 Thinking (Build 250615) $		262K	$0.10 / $0.97 per 1M	—	Input: TextInput: Image Output: Text
Doubao Seed 1.6 Flash (Build 250615) $		262K	$0.02 / $0.18 per 1M	—	Input: TextInput: Image Output: Text

Claude Opus 4.8 Thinking Features

Standout capabilities that make Claude Opus 4.8 Thinking a leader in the AI space.

Deep Chain-of-Thought

Claude uses internal reasoning blocks to solve logic-heavy tasks and minimize hallucinations effectively.

Advanced Code Synthesis

Optimized for large-scale refactoring, Claude excels at complex debugging and software architecture.

Reliable Agentic Tool Use

Claude follows system prompts and multi-step tool-calling sequences for autonomous agent reliability.

High-Resolution Vision

Claude analyzes complex diagrams and financial charts by applying reasoning to visual data inputs.

Claude Opus 4.8 Thinking FAQ

Common questions about the Claude Opus 4.8 Thinking model and its capabilities on GPTProto.com.

Why is Claude Opus 4.8 Thinking latency higher?

Claude Opus 4.8 Thinking utilizes an internal reasoning phase that generates thinking tokens before producing the final response. This deliberate Claude process ensures much higher logical accuracy and fewer errors in complex tasks. While Claude has a higher time-to-first-token than Claude 3.5 Sonnet, the resulting Claude output is significantly more reliable for engineering and deep analysis where precision is the priority.

Is my data sent to Claude used for training?

No. When you use Claude Opus 4.8 Thinking through GPTProto.com, your data is protected. We ensure that no data sent via our API endpoints is used to train the underlying Claude models or any other internal systems. This makes Claude suitable for sensitive legal, financial, and proprietary coding projects where data privacy and security are mandatory requirements for enterprise deployment.

Can Claude Opus 4.8 Thinking handle 200k tokens?

Yes, Claude Opus 4.8 Thinking features a robust 200,000-token context window. Claude maintains near-perfect retrieval across this entire range, often referred to as 'Needle-In-A-Haystack' performance. This allows Claude to analyze massive documents, entire repositories, or long-form research papers without losing the context of early instructions, which is a major advantage for Claude over models with smaller windows.

How does Claude perform on coding benchmarks?

Claude Opus 4.8 Thinking is a top-tier performer for technical tasks. On the HumanEval benchmark, Claude reaches scores above 95%, and it consistently leads on SWE-bench for resolving real-world GitHub issues. This Claude model is optimized for refactoring, debugging, and understanding complex architectural patterns, making Claude the preferred choice for senior software engineers and autonomous development agents.

What are the Claude Opus 4.8 Thinking rate limits?

At GPTProto.com, we offer tiered rate limits for Claude Opus 4.8 Thinking. Tier 1 users start with 50 requests per minute and 100,000 tokens per minute. For enterprise needs, we can scale Claude access up to 2,000 RPM and 2,000,000 TPM. If your Claude project requires higher throughput, you can simply request a quota increase through your dashboard for immediate review and adjustment.

Can I migrate from GPT-4o to Claude easily?

Migration to Claude Opus 4.8 Thinking is straightforward via our OpenAI-compatible API. While the logic remains similar, Claude typically performs better when instructions are structured using XML-style tags within the system prompt. Updating your prompts to match Claude's preferences will ensure you get the best reasoning results. Our technical support team is available to help optimize your Claude implementation during the transition.